Home / 53,545.65-80,319.75-18,007.43

Finding the Fourth Proportional to 53,545.65, 80,319.75 and 18,007.43

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Solution

The fourth proportional to 53,545.65, 80,319.75 and 18,007.43 is: 27,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,545.65 : 80,319.75 = 18,007.43 : x
  2. Step 2: Convert to fraction form
    53,545.65/80,319.75 = 18,007.43/x
  3. Step 3: Cross multiply
    53,545.65x = 80,319.75 × 18,007.43
  4. Step 4: Simplify right side
    53,545.65x = 1,446,351,874.14
  5. Step 5: Solve for x
    x = 1,446,351,874.14/53,545.65
  6. Step 6: Final answer
    x = 27,011.57

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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.