Home / 52,362.25-78,545.13-20,778.19

Finding the Fourth Proportional to 52,362.25, 78,545.13 and 20,778.19

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Solution

The fourth proportional to 52,362.25, 78,545.13 and 20,778.19 is: 31,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,362.25 : 78,545.13 = 20,778.19 : x
  2. Step 2: Convert to fraction form
    52,362.25/78,545.13 = 20,778.19/x
  3. Step 3: Cross multiply
    52,362.25x = 78,545.13 × 20,778.19
  4. Step 4: Simplify right side
    52,362.25x = 1,632,025,634.71
  5. Step 5: Solve for x
    x = 1,632,025,634.71/52,362.25
  6. Step 6: Final answer
    x = 31,167.98

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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.