Home / 67,448.58-93,060.42-38,766.76

Finding the Fourth Proportional to 67,448.58, 93,060.42 and 38,766.76

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Solution

The fourth proportional to 67,448.58, 93,060.42 and 38,766.76 is: 53,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,448.58 : 93,060.42 = 38,766.76 : x
  2. Step 2: Convert to fraction form
    67,448.58/93,060.42 = 38,766.76/x
  3. Step 3: Cross multiply
    67,448.58x = 93,060.42 × 38,766.76
  4. Step 4: Simplify right side
    67,448.58x = 3,607,650,967.64
  5. Step 5: Solve for x
    x = 3,607,650,967.64/67,448.58
  6. Step 6: Final answer
    x = 53,487.43

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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.