Home / 36,531.12-54,799.80-12,836.60

Finding the Fourth Proportional to 36,531.12, 54,799.80 and 12,836.60

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Solution

The fourth proportional to 36,531.12, 54,799.80 and 12,836.60 is: 19,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.12 : 54,799.80 = 12,836.60 : x
  2. Step 2: Convert to fraction form
    36,531.12/54,799.80 = 12,836.60/x
  3. Step 3: Cross multiply
    36,531.12x = 54,799.80 × 12,836.60
  4. Step 4: Simplify right side
    36,531.12x = 703,443,112.68
  5. Step 5: Solve for x
    x = 703,443,112.68/36,531.12
  6. Step 6: Final answer
    x = 19,256.00

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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.