Home / 38,872.32-53,739.48-38,517.13

Finding the Fourth Proportional to 38,872.32, 53,739.48 and 38,517.13

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Solution

The fourth proportional to 38,872.32, 53,739.48 and 38,517.13 is: 53,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.32 : 53,739.48 = 38,517.13 : x
  2. Step 2: Convert to fraction form
    38,872.32/53,739.48 = 38,517.13/x
  3. Step 3: Cross multiply
    38,872.32x = 53,739.48 × 38,517.13
  4. Step 4: Simplify right side
    38,872.32x = 2,069,890,537.29
  5. Step 5: Solve for x
    x = 2,069,890,537.29/38,872.32
  6. Step 6: Final answer
    x = 53,248.44

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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.