Home / 66,063.57-99,058.22-21,686.61

Finding the Fourth Proportional to 66,063.57, 99,058.22 and 21,686.61

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Solution

The fourth proportional to 66,063.57, 99,058.22 and 21,686.61 is: 32,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.57 : 99,058.22 = 21,686.61 : x
  2. Step 2: Convert to fraction form
    66,063.57/99,058.22 = 21,686.61/x
  3. Step 3: Cross multiply
    66,063.57x = 99,058.22 × 21,686.61
  4. Step 4: Simplify right side
    66,063.57x = 2,148,236,876.00
  5. Step 5: Solve for x
    x = 2,148,236,876.00/66,063.57
  6. Step 6: Final answer
    x = 32,517.72

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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.