Home / 66,459.01-99,693.92-19,711.75

Finding the Fourth Proportional to 66,459.01, 99,693.92 and 19,711.75

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Solution

The fourth proportional to 66,459.01, 99,693.92 and 19,711.75 is: 29,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,459.01 : 99,693.92 = 19,711.75 : x
  2. Step 2: Convert to fraction form
    66,459.01/99,693.92 = 19,711.75/x
  3. Step 3: Cross multiply
    66,459.01x = 99,693.92 × 19,711.75
  4. Step 4: Simplify right side
    66,459.01x = 1,965,141,529.00
  5. Step 5: Solve for x
    x = 1,965,141,529.00/66,459.01
  6. Step 6: Final answer
    x = 29,569.23

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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.