Home / 44,122.40-66,149.04-30,229.28

Finding the Fourth Proportional to 44,122.40, 66,149.04 and 30,229.28

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Solution

The fourth proportional to 44,122.40, 66,149.04 and 30,229.28 is: 45,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,122.40 : 66,149.04 = 30,229.28 : x
  2. Step 2: Convert to fraction form
    44,122.40/66,149.04 = 30,229.28/x
  3. Step 3: Cross multiply
    44,122.40x = 66,149.04 × 30,229.28
  4. Step 4: Simplify right side
    44,122.40x = 1,999,637,851.89
  5. Step 5: Solve for x
    x = 1,999,637,851.89/44,122.40
  6. Step 6: Final answer
    x = 45,320.24

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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.