Home / 31,191.48-43,042.19-17,764.11

Finding the Fourth Proportional to 31,191.48, 43,042.19 and 17,764.11

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Solution

The fourth proportional to 31,191.48, 43,042.19 and 17,764.11 is: 24,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.48 : 43,042.19 = 17,764.11 : x
  2. Step 2: Convert to fraction form
    31,191.48/43,042.19 = 17,764.11/x
  3. Step 3: Cross multiply
    31,191.48x = 43,042.19 × 17,764.11
  4. Step 4: Simplify right side
    31,191.48x = 764,606,108.98
  5. Step 5: Solve for x
    x = 764,606,108.98/31,191.48
  6. Step 6: Final answer
    x = 24,513.30

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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.