Home / 66,324.96-99,490.14-19,577.84

Finding the Fourth Proportional to 66,324.96, 99,490.14 and 19,577.84

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Solution

The fourth proportional to 66,324.96, 99,490.14 and 19,577.84 is: 29,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,324.96 : 99,490.14 = 19,577.84 : x
  2. Step 2: Convert to fraction form
    66,324.96/99,490.14 = 19,577.84/x
  3. Step 3: Cross multiply
    66,324.96x = 99,490.14 × 19,577.84
  4. Step 4: Simplify right side
    66,324.96x = 1,947,801,545.05
  5. Step 5: Solve for x
    x = 1,947,801,545.05/66,324.96
  6. Step 6: Final answer
    x = 29,367.55

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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.