Home / 59,910.31-89,876.04-20,458.18

Finding the Fourth Proportional to 59,910.31, 89,876.04 and 20,458.18

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Solution

The fourth proportional to 59,910.31, 89,876.04 and 20,458.18 is: 30,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,910.31 : 89,876.04 = 20,458.18 : x
  2. Step 2: Convert to fraction form
    59,910.31/89,876.04 = 20,458.18/x
  3. Step 3: Cross multiply
    59,910.31x = 89,876.04 × 20,458.18
  4. Step 4: Simplify right side
    59,910.31x = 1,838,700,204.01
  5. Step 5: Solve for x
    x = 1,838,700,204.01/59,910.31
  6. Step 6: Final answer
    x = 30,690.88

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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.