Home / 53,489.13-80,204.13-36,641.43

Finding the Fourth Proportional to 53,489.13, 80,204.13 and 36,641.43

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Solution

The fourth proportional to 53,489.13, 80,204.13 and 36,641.43 is: 54,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489.13 : 80,204.13 = 36,641.43 : x
  2. Step 2: Convert to fraction form
    53,489.13/80,204.13 = 36,641.43/x
  3. Step 3: Cross multiply
    53,489.13x = 80,204.13 × 36,641.43
  4. Step 4: Simplify right side
    53,489.13x = 2,938,794,015.11
  5. Step 5: Solve for x
    x = 2,938,794,015.11/53,489.13
  6. Step 6: Final answer
    x = 54,941.89

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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.