Home / 52,545.20-78,688.20-34,919.60

Finding the Fourth Proportional to 52,545.20, 78,688.20 and 34,919.60

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Solution

The fourth proportional to 52,545.20, 78,688.20 and 34,919.60 is: 52,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,545.20 : 78,688.20 = 34,919.60 : x
  2. Step 2: Convert to fraction form
    52,545.20/78,688.20 = 34,919.60/x
  3. Step 3: Cross multiply
    52,545.20x = 78,688.20 × 34,919.60
  4. Step 4: Simplify right side
    52,545.20x = 2,747,760,468.72
  5. Step 5: Solve for x
    x = 2,747,760,468.72/52,545.20
  6. Step 6: Final answer
    x = 52,293.27

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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.