Home / 31,325.13-43,229.30-17,178.75

Finding the Fourth Proportional to 31,325.13, 43,229.30 and 17,178.75

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Solution

The fourth proportional to 31,325.13, 43,229.30 and 17,178.75 is: 23,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.13 : 43,229.30 = 17,178.75 : x
  2. Step 2: Convert to fraction form
    31,325.13/43,229.30 = 17,178.75/x
  3. Step 3: Cross multiply
    31,325.13x = 43,229.30 × 17,178.75
  4. Step 4: Simplify right side
    31,325.13x = 742,625,251.48
  5. Step 5: Solve for x
    x = 742,625,251.48/31,325.13
  6. Step 6: Final answer
    x = 23,707.01

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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.