Home / 31,279.60-43,166.07-17,132.41

Finding the Fourth Proportional to 31,279.60, 43,166.07 and 17,132.41

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Solution

The fourth proportional to 31,279.60, 43,166.07 and 17,132.41 is: 23,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.60 : 43,166.07 = 17,132.41 : x
  2. Step 2: Convert to fraction form
    31,279.60/43,166.07 = 17,132.41/x
  3. Step 3: Cross multiply
    31,279.60x = 43,166.07 × 17,132.41
  4. Step 4: Simplify right side
    31,279.60x = 739,538,507.84
  5. Step 5: Solve for x
    x = 739,538,507.84/31,279.60
  6. Step 6: Final answer
    x = 23,642.84

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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.