Home / 41,155.20-61,732.80-39,542.40

Finding the Fourth Proportional to 41,155.20, 61,732.80 and 39,542.40

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Solution

The fourth proportional to 41,155.20, 61,732.80 and 39,542.40 is: 59,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,155.20 : 61,732.80 = 39,542.40 : x
  2. Step 2: Convert to fraction form
    41,155.20/61,732.80 = 39,542.40/x
  3. Step 3: Cross multiply
    41,155.20x = 61,732.80 × 39,542.40
  4. Step 4: Simplify right side
    41,155.20x = 2,441,063,070.72
  5. Step 5: Solve for x
    x = 2,441,063,070.72/41,155.20
  6. Step 6: Final answer
    x = 59,313.60

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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.