Home / 36,189.66-54,280.16-15,419.10

Finding the Fourth Proportional to 36,189.66, 54,280.16 and 15,419.10

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Solution

The fourth proportional to 36,189.66, 54,280.16 and 15,419.10 is: 23,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.66 : 54,280.16 = 15,419.10 : x
  2. Step 2: Convert to fraction form
    36,189.66/54,280.16 = 15,419.10/x
  3. Step 3: Cross multiply
    36,189.66x = 54,280.16 × 15,419.10
  4. Step 4: Simplify right side
    36,189.66x = 836,951,215.06
  5. Step 5: Solve for x
    x = 836,951,215.06/36,189.66
  6. Step 6: Final answer
    x = 23,126.81

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1.5x scale

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.