Home / 31,697.76-43,743.60-17,551.20

Finding the Fourth Proportional to 31,697.76, 43,743.60 and 17,551.20

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Solution

The fourth proportional to 31,697.76, 43,743.60 and 17,551.20 is: 24,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.76 : 43,743.60 = 17,551.20 : x
  2. Step 2: Convert to fraction form
    31,697.76/43,743.60 = 17,551.20/x
  3. Step 3: Cross multiply
    31,697.76x = 43,743.60 × 17,551.20
  4. Step 4: Simplify right side
    31,697.76x = 767,752,672.32
  5. Step 5: Solve for x
    x = 767,752,672.32/31,697.76
  6. Step 6: Final answer
    x = 24,221.04

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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.