Home / 31,549.28-43,538.06-17,209.13

Finding the Fourth Proportional to 31,549.28, 43,538.06 and 17,209.13

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Solution

The fourth proportional to 31,549.28, 43,538.06 and 17,209.13 is: 23,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.28 : 43,538.06 = 17,209.13 : x
  2. Step 2: Convert to fraction form
    31,549.28/43,538.06 = 17,209.13/x
  3. Step 3: Cross multiply
    31,549.28x = 43,538.06 × 17,209.13
  4. Step 4: Simplify right side
    31,549.28x = 749,251,959.82
  5. Step 5: Solve for x
    x = 749,251,959.82/31,549.28
  6. Step 6: Final answer
    x = 23,748.63

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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.