Home / 37,839.40-56,765.10-12,881.80

Finding the Fourth Proportional to 37,839.40, 56,765.10 and 12,881.80

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Solution

The fourth proportional to 37,839.40, 56,765.10 and 12,881.80 is: 19,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,839.40 : 56,765.10 = 12,881.80 : x
  2. Step 2: Convert to fraction form
    37,839.40/56,765.10 = 12,881.80/x
  3. Step 3: Cross multiply
    37,839.40x = 56,765.10 × 12,881.80
  4. Step 4: Simplify right side
    37,839.40x = 731,236,665.18
  5. Step 5: Solve for x
    x = 731,236,665.18/37,839.40
  6. Step 6: Final answer
    x = 19,324.74

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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.