Home / 31,279.61-43,165.44-17,132.46

Finding the Fourth Proportional to 31,279.61, 43,165.44 and 17,132.46

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Solution

The fourth proportional to 31,279.61, 43,165.44 and 17,132.46 is: 23,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.61 : 43,165.44 = 17,132.46 : x
  2. Step 2: Convert to fraction form
    31,279.61/43,165.44 = 17,132.46/x
  3. Step 3: Cross multiply
    31,279.61x = 43,165.44 × 17,132.46
  4. Step 4: Simplify right side
    31,279.61x = 739,530,174.18
  5. Step 5: Solve for x
    x = 739,530,174.18/31,279.61
  6. Step 6: Final answer
    x = 23,642.57

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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.