Home / 29,545.13-40,772.28-21,997.95

Finding the Fourth Proportional to 29,545.13, 40,772.28 and 21,997.95

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Solution

The fourth proportional to 29,545.13, 40,772.28 and 21,997.95 is: 30,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.13 : 40,772.28 = 21,997.95 : x
  2. Step 2: Convert to fraction form
    29,545.13/40,772.28 = 21,997.95/x
  3. Step 3: Cross multiply
    29,545.13x = 40,772.28 × 21,997.95
  4. Step 4: Simplify right side
    29,545.13x = 896,906,576.83
  5. Step 5: Solve for x
    x = 896,906,576.83/29,545.13
  6. Step 6: Final answer
    x = 30,357.18

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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.