Home / 44,609-66,939.42-19,985

Finding the Fourth Proportional to 44,609, 66,939.42 and 19,985

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Solution

The fourth proportional to 44,609, 66,939.42 and 19,985 is: 29,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,609 : 66,939.42 = 19,985 : x
  2. Step 2: Convert to fraction form
    44,609/66,939.42 = 19,985/x
  3. Step 3: Cross multiply
    44,609x = 66,939.42 × 19,985
  4. Step 4: Simplify right side
    44,609x = 1,337,784,308.70
  5. Step 5: Solve for x
    x = 1,337,784,308.70/44,609
  6. Step 6: Final answer
    x = 29,989.11

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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.