Home / 66,237.66-99,353.97-21,863.10

Finding the Fourth Proportional to 66,237.66, 99,353.97 and 21,863.10

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Solution

The fourth proportional to 66,237.66, 99,353.97 and 21,863.10 is: 32,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.66 : 99,353.97 = 21,863.10 : x
  2. Step 2: Convert to fraction form
    66,237.66/99,353.97 = 21,863.10/x
  3. Step 3: Cross multiply
    66,237.66x = 99,353.97 × 21,863.10
  4. Step 4: Simplify right side
    66,237.66x = 2,172,185,781.51
  5. Step 5: Solve for x
    x = 2,172,185,781.51/66,237.66
  6. Step 6: Final answer
    x = 32,793.82

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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.