Home / 52,085.18-78,104.41-31,035.14

Finding the Fourth Proportional to 52,085.18, 78,104.41 and 31,035.14

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Solution

The fourth proportional to 52,085.18, 78,104.41 and 31,035.14 is: 46,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.18 : 78,104.41 = 31,035.14 : x
  2. Step 2: Convert to fraction form
    52,085.18/78,104.41 = 31,035.14/x
  3. Step 3: Cross multiply
    52,085.18x = 78,104.41 × 31,035.14
  4. Step 4: Simplify right side
    52,085.18x = 2,423,981,298.97
  5. Step 5: Solve for x
    x = 2,423,981,298.97/52,085.18
  6. Step 6: Final answer
    x = 46,538.79

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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.