Home / 40,430.90-60,581.55-25,613.30

Finding the Fourth Proportional to 40,430.90, 60,581.55 and 25,613.30

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Solution

The fourth proportional to 40,430.90, 60,581.55 and 25,613.30 is: 38,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.90 : 60,581.55 = 25,613.30 : x
  2. Step 2: Convert to fraction form
    40,430.90/60,581.55 = 25,613.30/x
  3. Step 3: Cross multiply
    40,430.90x = 60,581.55 × 25,613.30
  4. Step 4: Simplify right side
    40,430.90x = 1,551,693,414.62
  5. Step 5: Solve for x
    x = 1,551,693,414.62/40,430.90
  6. Step 6: Final answer
    x = 38,378.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.