Home / 52,059.48-78,079.36-25,378.68

Finding the Fourth Proportional to 52,059.48, 78,079.36 and 25,378.68

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Solution

The fourth proportional to 52,059.48, 78,079.36 and 25,378.68 is: 38,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,059.48 : 78,079.36 = 25,378.68 : x
  2. Step 2: Convert to fraction form
    52,059.48/78,079.36 = 25,378.68/x
  3. Step 3: Cross multiply
    52,059.48x = 78,079.36 × 25,378.68
  4. Step 4: Simplify right side
    52,059.48x = 1,981,551,092.04
  5. Step 5: Solve for x
    x = 1,981,551,092.04/52,059.48
  6. Step 6: Final answer
    x = 38,063.21

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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.