Home / 37,839.60-56,766.29-12,878.46

Finding the Fourth Proportional to 37,839.60, 56,766.29 and 12,878.46

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Solution

The fourth proportional to 37,839.60, 56,766.29 and 12,878.46 is: 19,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,839.60 : 56,766.29 = 12,878.46 : x
  2. Step 2: Convert to fraction form
    37,839.60/56,766.29 = 12,878.46/x
  3. Step 3: Cross multiply
    37,839.60x = 56,766.29 × 12,878.46
  4. Step 4: Simplify right side
    37,839.60x = 731,062,330.72
  5. Step 5: Solve for x
    x = 731,062,330.72/37,839.60
  6. Step 6: Final answer
    x = 19,320.03

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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.