Home / 44,438.20-66,624.90-18,129.40

Finding the Fourth Proportional to 44,438.20, 66,624.90 and 18,129.40

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Solution

The fourth proportional to 44,438.20, 66,624.90 and 18,129.40 is: 27,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,438.20 : 66,624.90 = 18,129.40 : x
  2. Step 2: Convert to fraction form
    44,438.20/66,624.90 = 18,129.40/x
  3. Step 3: Cross multiply
    44,438.20x = 66,624.90 × 18,129.40
  4. Step 4: Simplify right side
    44,438.20x = 1,207,869,462.06
  5. Step 5: Solve for x
    x = 1,207,869,462.06/44,438.20
  6. Step 6: Final answer
    x = 27,180.88

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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.