Home / 31,691.08-43,733.52-17,543.88

Finding the Fourth Proportional to 31,691.08, 43,733.52 and 17,543.88

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Solution

The fourth proportional to 31,691.08, 43,733.52 and 17,543.88 is: 24,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.08 : 43,733.52 = 17,543.88 : x
  2. Step 2: Convert to fraction form
    31,691.08/43,733.52 = 17,543.88/x
  3. Step 3: Cross multiply
    31,691.08x = 43,733.52 × 17,543.88
  4. Step 4: Simplify right side
    31,691.08x = 767,255,626.86
  5. Step 5: Solve for x
    x = 767,255,626.86/31,691.08
  6. Step 6: Final answer
    x = 24,210.46

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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.