Home / 36,111.81-54,168.33-9,815.91

Finding the Fourth Proportional to 36,111.81, 54,168.33 and 9,815.91

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Solution

The fourth proportional to 36,111.81, 54,168.33 and 9,815.91 is: 14,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.81 : 54,168.33 = 9,815.91 : x
  2. Step 2: Convert to fraction form
    36,111.81/54,168.33 = 9,815.91/x
  3. Step 3: Cross multiply
    36,111.81x = 54,168.33 × 9,815.91
  4. Step 4: Simplify right side
    36,111.81x = 531,711,452.13
  5. Step 5: Solve for x
    x = 531,711,452.13/36,111.81
  6. Step 6: Final answer
    x = 14,724.03

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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.