Home / 36,437.61-50,284.55-20,522.63

Finding the Fourth Proportional to 36,437.61, 50,284.55 and 20,522.63

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Solution

The fourth proportional to 36,437.61, 50,284.55 and 20,522.63 is: 28,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.61 : 50,284.55 = 20,522.63 : x
  2. Step 2: Convert to fraction form
    36,437.61/50,284.55 = 20,522.63/x
  3. Step 3: Cross multiply
    36,437.61x = 50,284.55 × 20,522.63
  4. Step 4: Simplify right side
    36,437.61x = 1,031,971,391.38
  5. Step 5: Solve for x
    x = 1,031,971,391.38/36,437.61
  6. Step 6: Final answer
    x = 28,321.60

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Half scale
Find fourth proportional to 72,875.23, 100,569.11 and 41,045.27
Double scale
Find fourth proportional to 36,438.61, 50,285.93 and 20,523.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.