Home / 73,331.20-110,000.40-38,339.20

Finding the Fourth Proportional to 73,331.20, 110,000.40 and 38,339.20

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Solution

The fourth proportional to 73,331.20, 110,000.40 and 38,339.20 is: 57,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,331.20 : 110,000.40 = 38,339.20 : x
  2. Step 2: Convert to fraction form
    73,331.20/110,000.40 = 38,339.20/x
  3. Step 3: Cross multiply
    73,331.20x = 110,000.40 × 38,339.20
  4. Step 4: Simplify right side
    73,331.20x = 4,217,327,335.68
  5. Step 5: Solve for x
    x = 4,217,327,335.68/73,331.20
  6. Step 6: Final answer
    x = 57,510.68

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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.