Home / 31,044.22-42,839.75-17,615.19

Finding the Fourth Proportional to 31,044.22, 42,839.75 and 17,615.19

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Solution

The fourth proportional to 31,044.22, 42,839.75 and 17,615.19 is: 24,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044.22 : 42,839.75 = 17,615.19 : x
  2. Step 2: Convert to fraction form
    31,044.22/42,839.75 = 17,615.19/x
  3. Step 3: Cross multiply
    31,044.22x = 42,839.75 × 17,615.19
  4. Step 4: Simplify right side
    31,044.22x = 754,630,335.80
  5. Step 5: Solve for x
    x = 754,630,335.80/31,044.22
  6. Step 6: Final answer
    x = 24,308.24

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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.