Home / 38,278.40-57,475.20-29,523.20

Finding the Fourth Proportional to 38,278.40, 57,475.20 and 29,523.20

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Solution

The fourth proportional to 38,278.40, 57,475.20 and 29,523.20 is: 44,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.40 : 57,475.20 = 29,523.20 : x
  2. Step 2: Convert to fraction form
    38,278.40/57,475.20 = 29,523.20/x
  3. Step 3: Cross multiply
    38,278.40x = 57,475.20 × 29,523.20
  4. Step 4: Simplify right side
    38,278.40x = 1,696,851,824.64
  5. Step 5: Solve for x
    x = 1,696,851,824.64/38,278.40
  6. Step 6: Final answer
    x = 44,329.23

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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.