Home / 71,587.04-98,791.29-39,324.65

Finding the Fourth Proportional to 71,587.04, 98,791.29 and 39,324.65

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Solution

The fourth proportional to 71,587.04, 98,791.29 and 39,324.65 is: 54,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,587.04 : 98,791.29 = 39,324.65 : x
  2. Step 2: Convert to fraction form
    71,587.04/98,791.29 = 39,324.65/x
  3. Step 3: Cross multiply
    71,587.04x = 98,791.29 × 39,324.65
  4. Step 4: Simplify right side
    71,587.04x = 3,884,932,408.34
  5. Step 5: Solve for x
    x = 3,884,932,408.34/71,587.04
  6. Step 6: Final answer
    x = 54,268.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.