Home / 40,221.80-60,332.70-38,515.40

Finding the Fourth Proportional to 40,221.80, 60,332.70 and 38,515.40

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Solution

The fourth proportional to 40,221.80, 60,332.70 and 38,515.40 is: 57,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.80 : 60,332.70 = 38,515.40 : x
  2. Step 2: Convert to fraction form
    40,221.80/60,332.70 = 38,515.40/x
  3. Step 3: Cross multiply
    40,221.80x = 60,332.70 × 38,515.40
  4. Step 4: Simplify right side
    40,221.80x = 2,323,738,073.58
  5. Step 5: Solve for x
    x = 2,323,738,073.58/40,221.80
  6. Step 6: Final answer
    x = 57,773.10

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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.