Home / 36,431.13-54,646.80-10,135.90

Finding the Fourth Proportional to 36,431.13, 54,646.80 and 10,135.90

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Solution

The fourth proportional to 36,431.13, 54,646.80 and 10,135.90 is: 15,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.13 : 54,646.80 = 10,135.90 : x
  2. Step 2: Convert to fraction form
    36,431.13/54,646.80 = 10,135.90/x
  3. Step 3: Cross multiply
    36,431.13x = 54,646.80 × 10,135.90
  4. Step 4: Simplify right side
    36,431.13x = 553,894,500.12
  5. Step 5: Solve for x
    x = 553,894,500.12/36,431.13
  6. Step 6: Final answer
    x = 15,203.88

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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.