Home / 36,406.74-54,619.65-11,445.78

Finding the Fourth Proportional to 36,406.74, 54,619.65 and 11,445.78

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Solution

The fourth proportional to 36,406.74, 54,619.65 and 11,445.78 is: 17,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.74 : 54,619.65 = 11,445.78 : x
  2. Step 2: Convert to fraction form
    36,406.74/54,619.65 = 11,445.78/x
  3. Step 3: Cross multiply
    36,406.74x = 54,619.65 × 11,445.78
  4. Step 4: Simplify right side
    36,406.74x = 625,164,497.58
  5. Step 5: Solve for x
    x = 625,164,497.58/36,406.74
  6. Step 6: Final answer
    x = 17,171.67

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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.