Home / 52,081.17-78,125.39-25,778.85

Finding the Fourth Proportional to 52,081.17, 78,125.39 and 25,778.85

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Solution

The fourth proportional to 52,081.17, 78,125.39 and 25,778.85 is: 38,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.17 : 78,125.39 = 25,778.85 : x
  2. Step 2: Convert to fraction form
    52,081.17/78,125.39 = 25,778.85/x
  3. Step 3: Cross multiply
    52,081.17x = 78,125.39 × 25,778.85
  4. Step 4: Simplify right side
    52,081.17x = 2,013,982,710.00
  5. Step 5: Solve for x
    x = 2,013,982,710.00/52,081.17
  6. Step 6: Final answer
    x = 38,670.07

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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.