Home / 67,778.04-93,532.10-39,481.90

Finding the Fourth Proportional to 67,778.04, 93,532.10 and 39,481.90

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Solution

The fourth proportional to 67,778.04, 93,532.10 and 39,481.90 is: 54,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.04 : 93,532.10 = 39,481.90 : x
  2. Step 2: Convert to fraction form
    67,778.04/93,532.10 = 39,481.90/x
  3. Step 3: Cross multiply
    67,778.04x = 93,532.10 × 39,481.90
  4. Step 4: Simplify right side
    67,778.04x = 3,692,825,018.99
  5. Step 5: Solve for x
    x = 3,692,825,018.99/67,778.04
  6. Step 6: Final answer
    x = 54,484.09

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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.