Home / 42,539.27-63,794.00-12,545.54

Finding the Fourth Proportional to 42,539.27, 63,794.00 and 12,545.54

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Solution

The fourth proportional to 42,539.27, 63,794.00 and 12,545.54 is: 18,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.27 : 63,794.00 = 12,545.54 : x
  2. Step 2: Convert to fraction form
    42,539.27/63,794.00 = 12,545.54/x
  3. Step 3: Cross multiply
    42,539.27x = 63,794.00 × 12,545.54
  4. Step 4: Simplify right side
    42,539.27x = 800,330,130.38
  5. Step 5: Solve for x
    x = 800,330,130.38/42,539.27
  6. Step 6: Final answer
    x = 18,813.92

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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.