Home / 48,391.28-66,787.20-29,539.36

Finding the Fourth Proportional to 48,391.28, 66,787.20 and 29,539.36

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Solution

The fourth proportional to 48,391.28, 66,787.20 and 29,539.36 is: 40,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.28 : 66,787.20 = 29,539.36 : x
  2. Step 2: Convert to fraction form
    48,391.28/66,787.20 = 29,539.36/x
  3. Step 3: Cross multiply
    48,391.28x = 66,787.20 × 29,539.36
  4. Step 4: Simplify right side
    48,391.28x = 1,972,851,144.19
  5. Step 5: Solve for x
    x = 1,972,851,144.19/48,391.28
  6. Step 6: Final answer
    x = 40,768.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.