Home / 52,453.28-78,679.92-17,384.78

Finding the Fourth Proportional to 52,453.28, 78,679.92 and 17,384.78

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Solution

The fourth proportional to 52,453.28, 78,679.92 and 17,384.78 is: 26,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.28 : 78,679.92 = 17,384.78 : x
  2. Step 2: Convert to fraction form
    52,453.28/78,679.92 = 17,384.78/x
  3. Step 3: Cross multiply
    52,453.28x = 78,679.92 × 17,384.78
  4. Step 4: Simplify right side
    52,453.28x = 1,367,833,099.62
  5. Step 5: Solve for x
    x = 1,367,833,099.62/52,453.28
  6. Step 6: Final answer
    x = 26,077.17

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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.