Home / 66,541.44-99,827.90-21,562.73

Finding the Fourth Proportional to 66,541.44, 99,827.90 and 21,562.73

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Solution

The fourth proportional to 66,541.44, 99,827.90 and 21,562.73 is: 32,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.44 : 99,827.90 = 21,562.73 : x
  2. Step 2: Convert to fraction form
    66,541.44/99,827.90 = 21,562.73/x
  3. Step 3: Cross multiply
    66,541.44x = 99,827.90 × 21,562.73
  4. Step 4: Simplify right side
    66,541.44x = 2,152,561,447.21
  5. Step 5: Solve for x
    x = 2,152,561,447.21/66,541.44
  6. Step 6: Final answer
    x = 32,349.19

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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.