Home / 55,545.65-83,318.42-18,105.71

Finding the Fourth Proportional to 55,545.65, 83,318.42 and 18,105.71

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Solution

The fourth proportional to 55,545.65, 83,318.42 and 18,105.71 is: 27,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.65 : 83,318.42 = 18,105.71 : x
  2. Step 2: Convert to fraction form
    55,545.65/83,318.42 = 18,105.71/x
  3. Step 3: Cross multiply
    55,545.65x = 83,318.42 × 18,105.71
  4. Step 4: Simplify right side
    55,545.65x = 1,508,539,059.65
  5. Step 5: Solve for x
    x = 1,508,539,059.65/55,545.65
  6. Step 6: Final answer
    x = 27,158.55

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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.