Home / 67,416.20-93,052.86-39,131

Finding the Fourth Proportional to 67,416.20, 93,052.86 and 39,131

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Solution

The fourth proportional to 67,416.20, 93,052.86 and 39,131 is: 54,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.20 : 93,052.86 = 39,131 : x
  2. Step 2: Convert to fraction form
    67,416.20/93,052.86 = 39,131/x
  3. Step 3: Cross multiply
    67,416.20x = 93,052.86 × 39,131
  4. Step 4: Simplify right side
    67,416.20x = 3,641,251,464.66
  5. Step 5: Solve for x
    x = 3,641,251,464.66/67,416.20
  6. Step 6: Final answer
    x = 54,011.52

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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.