Home / 39,878.64-59,823.43-17,691.53

Finding the Fourth Proportional to 39,878.64, 59,823.43 and 17,691.53

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Solution

The fourth proportional to 39,878.64, 59,823.43 and 17,691.53 is: 26,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.64 : 59,823.43 = 17,691.53 : x
  2. Step 2: Convert to fraction form
    39,878.64/59,823.43 = 17,691.53/x
  3. Step 3: Cross multiply
    39,878.64x = 59,823.43 × 17,691.53
  4. Step 4: Simplify right side
    39,878.64x = 1,058,367,663.20
  5. Step 5: Solve for x
    x = 1,058,367,663.20/39,878.64
  6. Step 6: Final answer
    x = 26,539.71

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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.