Home / 31,560.74-43,543.04-17,947.43

Finding the Fourth Proportional to 31,560.74, 43,543.04 and 17,947.43

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Solution

The fourth proportional to 31,560.74, 43,543.04 and 17,947.43 is: 24,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560.74 : 43,543.04 = 17,947.43 : x
  2. Step 2: Convert to fraction form
    31,560.74/43,543.04 = 17,947.43/x
  3. Step 3: Cross multiply
    31,560.74x = 43,543.04 × 17,947.43
  4. Step 4: Simplify right side
    31,560.74x = 781,485,662.39
  5. Step 5: Solve for x
    x = 781,485,662.39/31,560.74
  6. Step 6: Final answer
    x = 24,761.32

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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.