Home / 44,431.20-66,614.40-18,122.40

Finding the Fourth Proportional to 44,431.20, 66,614.40 and 18,122.40

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Solution

The fourth proportional to 44,431.20, 66,614.40 and 18,122.40 is: 27,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,431.20 : 66,614.40 = 18,122.40 : x
  2. Step 2: Convert to fraction form
    44,431.20/66,614.40 = 18,122.40/x
  3. Step 3: Cross multiply
    44,431.20x = 66,614.40 × 18,122.40
  4. Step 4: Simplify right side
    44,431.20x = 1,207,212,802.56
  5. Step 5: Solve for x
    x = 1,207,212,802.56/44,431.20
  6. Step 6: Final answer
    x = 27,170.38

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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.