Home / 66,298.08-99,425.92-21,916.56

Finding the Fourth Proportional to 66,298.08, 99,425.92 and 21,916.56

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Solution

The fourth proportional to 66,298.08, 99,425.92 and 21,916.56 is: 32,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298.08 : 99,425.92 = 21,916.56 : x
  2. Step 2: Convert to fraction form
    66,298.08/99,425.92 = 21,916.56/x
  3. Step 3: Cross multiply
    66,298.08x = 99,425.92 × 21,916.56
  4. Step 4: Simplify right side
    66,298.08x = 2,179,074,141.24
  5. Step 5: Solve for x
    x = 2,179,074,141.24/66,298.08
  6. Step 6: Final answer
    x = 32,867.83

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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.