Home / 31,543.26-43,527.72-18,105.06

Finding the Fourth Proportional to 31,543.26, 43,527.72 and 18,105.06

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Solution

The fourth proportional to 31,543.26, 43,527.72 and 18,105.06 is: 24,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.26 : 43,527.72 = 18,105.06 : x
  2. Step 2: Convert to fraction form
    31,543.26/43,527.72 = 18,105.06/x
  3. Step 3: Cross multiply
    31,543.26x = 43,527.72 × 18,105.06
  4. Step 4: Simplify right side
    31,543.26x = 788,071,982.26
  5. Step 5: Solve for x
    x = 788,071,982.26/31,543.26
  6. Step 6: Final answer
    x = 24,983.85

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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.