Home / 31,881.79-43,997.92-17,543.26

Finding the Fourth Proportional to 31,881.79, 43,997.92 and 17,543.26

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Solution

The fourth proportional to 31,881.79, 43,997.92 and 17,543.26 is: 24,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.79 : 43,997.92 = 17,543.26 : x
  2. Step 2: Convert to fraction form
    31,881.79/43,997.92 = 17,543.26/x
  3. Step 3: Cross multiply
    31,881.79x = 43,997.92 × 17,543.26
  4. Step 4: Simplify right side
    31,881.79x = 771,866,796.17
  5. Step 5: Solve for x
    x = 771,866,796.17/31,881.79
  6. Step 6: Final answer
    x = 24,210.27

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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.