Home / 67,439.76-93,064.86-38,764.14

Finding the Fourth Proportional to 67,439.76, 93,064.86 and 38,764.14

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Solution

The fourth proportional to 67,439.76, 93,064.86 and 38,764.14 is: 53,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.76 : 93,064.86 = 38,764.14 : x
  2. Step 2: Convert to fraction form
    67,439.76/93,064.86 = 38,764.14/x
  3. Step 3: Cross multiply
    67,439.76x = 93,064.86 × 38,764.14
  4. Step 4: Simplify right side
    67,439.76x = 3,607,579,262.12
  5. Step 5: Solve for x
    x = 3,607,579,262.12/67,439.76
  6. Step 6: Final answer
    x = 53,493.36

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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.