Home / 37,397.50-51,609.53-20,402.02

Finding the Fourth Proportional to 37,397.50, 51,609.53 and 20,402.02

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Solution

The fourth proportional to 37,397.50, 51,609.53 and 20,402.02 is: 28,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,397.50 : 51,609.53 = 20,402.02 : x
  2. Step 2: Convert to fraction form
    37,397.50/51,609.53 = 20,402.02/x
  3. Step 3: Cross multiply
    37,397.50x = 51,609.53 × 20,402.02
  4. Step 4: Simplify right side
    37,397.50x = 1,052,938,663.25
  5. Step 5: Solve for x
    x = 1,052,938,663.25/37,397.50
  6. Step 6: Final answer
    x = 28,155.32

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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.