Home / 29,545.29-40,787.55-22,815.81

Finding the Fourth Proportional to 29,545.29, 40,787.55 and 22,815.81

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Solution

The fourth proportional to 29,545.29, 40,787.55 and 22,815.81 is: 31,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.29 : 40,787.55 = 22,815.81 : x
  2. Step 2: Convert to fraction form
    29,545.29/40,787.55 = 22,815.81/x
  3. Step 3: Cross multiply
    29,545.29x = 40,787.55 × 22,815.81
  4. Step 4: Simplify right side
    29,545.29x = 930,600,991.17
  5. Step 5: Solve for x
    x = 930,600,991.17/29,545.29
  6. Step 6: Final answer
    x = 31,497.44

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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.