Home / 37,518.01-51,772.69-20,518.85

Finding the Fourth Proportional to 37,518.01, 51,772.69 and 20,518.85

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Solution

The fourth proportional to 37,518.01, 51,772.69 and 20,518.85 is: 28,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518.01 : 51,772.69 = 20,518.85 : x
  2. Step 2: Convert to fraction form
    37,518.01/51,772.69 = 20,518.85/x
  3. Step 3: Cross multiply
    37,518.01x = 51,772.69 × 20,518.85
  4. Step 4: Simplify right side
    37,518.01x = 1,062,316,060.21
  5. Step 5: Solve for x
    x = 1,062,316,060.21/37,518.01
  6. Step 6: Final answer
    x = 28,314.83

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Double scale
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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.