Home / 34,581.60-47,721.98-19,474.20

Finding the Fourth Proportional to 34,581.60, 47,721.98 and 19,474.20

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Solution

The fourth proportional to 34,581.60, 47,721.98 and 19,474.20 is: 26,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,581.60 : 47,721.98 = 19,474.20 : x
  2. Step 2: Convert to fraction form
    34,581.60/47,721.98 = 19,474.20/x
  3. Step 3: Cross multiply
    34,581.60x = 47,721.98 × 19,474.20
  4. Step 4: Simplify right side
    34,581.60x = 929,347,382.92
  5. Step 5: Solve for x
    x = 929,347,382.92/34,581.60
  6. Step 6: Final answer
    x = 26,874.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.