Home / 51,545.28-77,240.16-38,335.68

Finding the Fourth Proportional to 51,545.28, 77,240.16 and 38,335.68

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Solution

The fourth proportional to 51,545.28, 77,240.16 and 38,335.68 is: 57,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,545.28 : 77,240.16 = 38,335.68 : x
  2. Step 2: Convert to fraction form
    51,545.28/77,240.16 = 38,335.68/x
  3. Step 3: Cross multiply
    51,545.28x = 77,240.16 × 38,335.68
  4. Step 4: Simplify right side
    51,545.28x = 2,961,054,056.91
  5. Step 5: Solve for x
    x = 2,961,054,056.91/51,545.28
  6. Step 6: Final answer
    x = 57,445.69

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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.