Home / 65,007.18-89,707.68-36,331.92

Finding the Fourth Proportional to 65,007.18, 89,707.68 and 36,331.92

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Solution

The fourth proportional to 65,007.18, 89,707.68 and 36,331.92 is: 50,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,007.18 : 89,707.68 = 36,331.92 : x
  2. Step 2: Convert to fraction form
    65,007.18/89,707.68 = 36,331.92/x
  3. Step 3: Cross multiply
    65,007.18x = 89,707.68 × 36,331.92
  4. Step 4: Simplify right side
    65,007.18x = 3,259,252,253.15
  5. Step 5: Solve for x
    x = 3,259,252,253.15/65,007.18
  6. Step 6: Final answer
    x = 50,136.80

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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.