Home / 31,987.20-44,142.19-17,646.64

Finding the Fourth Proportional to 31,987.20, 44,142.19 and 17,646.64

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Solution

The fourth proportional to 31,987.20, 44,142.19 and 17,646.64 is: 24,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.20 : 44,142.19 = 17,646.64 : x
  2. Step 2: Convert to fraction form
    31,987.20/44,142.19 = 17,646.64/x
  3. Step 3: Cross multiply
    31,987.20x = 44,142.19 × 17,646.64
  4. Step 4: Simplify right side
    31,987.20x = 778,961,335.74
  5. Step 5: Solve for x
    x = 778,961,335.74/31,987.20
  6. Step 6: Final answer
    x = 24,352.28

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1.5x scale

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.