Home / 31,543.04-43,527.92-18,104.83

Finding the Fourth Proportional to 31,543.04, 43,527.92 and 18,104.83

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Solution

The fourth proportional to 31,543.04, 43,527.92 and 18,104.83 is: 24,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.04 : 43,527.92 = 18,104.83 : x
  2. Step 2: Convert to fraction form
    31,543.04/43,527.92 = 18,104.83/x
  3. Step 3: Cross multiply
    31,543.04x = 43,527.92 × 18,104.83
  4. Step 4: Simplify right side
    31,543.04x = 788,065,591.85
  5. Step 5: Solve for x
    x = 788,065,591.85/31,543.04
  6. Step 6: Final answer
    x = 24,983.82

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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.