Home / 31,543.02-43,527.38-18,104.82

Finding the Fourth Proportional to 31,543.02, 43,527.38 and 18,104.82

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Solution

The fourth proportional to 31,543.02, 43,527.38 and 18,104.82 is: 24,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.02 : 43,527.38 = 18,104.82 : x
  2. Step 2: Convert to fraction form
    31,543.02/43,527.38 = 18,104.82/x
  3. Step 3: Cross multiply
    31,543.02x = 43,527.38 × 18,104.82
  4. Step 4: Simplify right side
    31,543.02x = 788,055,379.97
  5. Step 5: Solve for x
    x = 788,055,379.97/31,543.02
  6. Step 6: Final answer
    x = 24,983.51

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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.