Home / 40,881.82-61,236.54-18,713.82

Finding the Fourth Proportional to 40,881.82, 61,236.54 and 18,713.82

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Solution

The fourth proportional to 40,881.82, 61,236.54 and 18,713.82 is: 28,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,881.82 : 61,236.54 = 18,713.82 : x
  2. Step 2: Convert to fraction form
    40,881.82/61,236.54 = 18,713.82/x
  3. Step 3: Cross multiply
    40,881.82x = 61,236.54 × 18,713.82
  4. Step 4: Simplify right side
    40,881.82x = 1,145,969,586.98
  5. Step 5: Solve for x
    x = 1,145,969,586.98/40,881.82
  6. Step 6: Final answer
    x = 28,031.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.