Home / 31,545.61-47,318.42-10,769.29

Finding the Fourth Proportional to 31,545.61, 47,318.42 and 10,769.29

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Solution

The fourth proportional to 31,545.61, 47,318.42 and 10,769.29 is: 16,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.61 : 47,318.42 = 10,769.29 : x
  2. Step 2: Convert to fraction form
    31,545.61/47,318.42 = 10,769.29/x
  3. Step 3: Cross multiply
    31,545.61x = 47,318.42 × 10,769.29
  4. Step 4: Simplify right side
    31,545.61x = 509,585,787.32
  5. Step 5: Solve for x
    x = 509,585,787.32/31,545.61
  6. Step 6: Final answer
    x = 16,153.94

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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.