Home / 31,291.13-43,182.77-17,144.88

Finding the Fourth Proportional to 31,291.13, 43,182.77 and 17,144.88

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Solution

The fourth proportional to 31,291.13, 43,182.77 and 17,144.88 is: 23,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.13 : 43,182.77 = 17,144.88 : x
  2. Step 2: Convert to fraction form
    31,291.13/43,182.77 = 17,144.88/x
  3. Step 3: Cross multiply
    31,291.13x = 43,182.77 × 17,144.88
  4. Step 4: Simplify right side
    31,291.13x = 740,363,323.99
  5. Step 5: Solve for x
    x = 740,363,323.99/31,291.13
  6. Step 6: Final answer
    x = 23,660.49

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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.