Home / 37,209.75-51,350.67-20,442.75

Finding the Fourth Proportional to 37,209.75, 51,350.67 and 20,442.75

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Solution

The fourth proportional to 37,209.75, 51,350.67 and 20,442.75 is: 28,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.75 : 51,350.67 = 20,442.75 : x
  2. Step 2: Convert to fraction form
    37,209.75/51,350.67 = 20,442.75/x
  3. Step 3: Cross multiply
    37,209.75x = 51,350.67 × 20,442.75
  4. Step 4: Simplify right side
    37,209.75x = 1,049,748,909.14
  5. Step 5: Solve for x
    x = 1,049,748,909.14/37,209.75
  6. Step 6: Final answer
    x = 28,211.66

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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.