Home / 51,640.52-77,451.46-13,690.04

Finding the Fourth Proportional to 51,640.52, 77,451.46 and 13,690.04

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Solution

The fourth proportional to 51,640.52, 77,451.46 and 13,690.04 is: 20,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,640.52 : 77,451.46 = 13,690.04 : x
  2. Step 2: Convert to fraction form
    51,640.52/77,451.46 = 13,690.04/x
  3. Step 3: Cross multiply
    51,640.52x = 77,451.46 × 13,690.04
  4. Step 4: Simplify right side
    51,640.52x = 1,060,313,585.46
  5. Step 5: Solve for x
    x = 1,060,313,585.46/51,640.52
  6. Step 6: Final answer
    x = 20,532.59

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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.