Home / 36,097.28-54,132.40-12,398.08

Finding the Fourth Proportional to 36,097.28, 54,132.40 and 12,398.08

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Solution

The fourth proportional to 36,097.28, 54,132.40 and 12,398.08 is: 18,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,097.28 : 54,132.40 = 12,398.08 : x
  2. Step 2: Convert to fraction form
    36,097.28/54,132.40 = 12,398.08/x
  3. Step 3: Cross multiply
    36,097.28x = 54,132.40 × 12,398.08
  4. Step 4: Simplify right side
    36,097.28x = 671,137,825.79
  5. Step 5: Solve for x
    x = 671,137,825.79/36,097.28
  6. Step 6: Final answer
    x = 18,592.48

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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.