Home / 39,862.85-59,808.06-17,691.75

Finding the Fourth Proportional to 39,862.85, 59,808.06 and 17,691.75

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Solution

The fourth proportional to 39,862.85, 59,808.06 and 17,691.75 is: 26,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.85 : 59,808.06 = 17,691.75 : x
  2. Step 2: Convert to fraction form
    39,862.85/59,808.06 = 17,691.75/x
  3. Step 3: Cross multiply
    39,862.85x = 59,808.06 × 17,691.75
  4. Step 4: Simplify right side
    39,862.85x = 1,058,109,245.51
  5. Step 5: Solve for x
    x = 1,058,109,245.51/39,862.85
  6. Step 6: Final answer
    x = 26,543.75

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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.