Home / 36,016.14-54,048.51-12,642.78

Finding the Fourth Proportional to 36,016.14, 54,048.51 and 12,642.78

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Solution

The fourth proportional to 36,016.14, 54,048.51 and 12,642.78 is: 18,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.14 : 54,048.51 = 12,642.78 : x
  2. Step 2: Convert to fraction form
    36,016.14/54,048.51 = 12,642.78/x
  3. Step 3: Cross multiply
    36,016.14x = 54,048.51 × 12,642.78
  4. Step 4: Simplify right side
    36,016.14x = 683,323,421.26
  5. Step 5: Solve for x
    x = 683,323,421.26/36,016.14
  6. Step 6: Final answer
    x = 18,972.70

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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.