Home / 64,085.28-96,138.84-19,711.06

Finding the Fourth Proportional to 64,085.28, 96,138.84 and 19,711.06

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Solution

The fourth proportional to 64,085.28, 96,138.84 and 19,711.06 is: 29,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,085.28 : 96,138.84 = 19,711.06 : x
  2. Step 2: Convert to fraction form
    64,085.28/96,138.84 = 19,711.06/x
  3. Step 3: Cross multiply
    64,085.28x = 96,138.84 × 19,711.06
  4. Step 4: Simplify right side
    64,085.28x = 1,894,998,443.57
  5. Step 5: Solve for x
    x = 1,894,998,443.57/64,085.28
  6. Step 6: Final answer
    x = 29,569.95

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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.