Home / 38,480.16-57,661.84-28,573.04

Finding the Fourth Proportional to 38,480.16, 57,661.84 and 28,573.04

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Solution

The fourth proportional to 38,480.16, 57,661.84 and 28,573.04 is: 42,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.16 : 57,661.84 = 28,573.04 : x
  2. Step 2: Convert to fraction form
    38,480.16/57,661.84 = 28,573.04/x
  3. Step 3: Cross multiply
    38,480.16x = 57,661.84 × 28,573.04
  4. Step 4: Simplify right side
    38,480.16x = 1,647,574,060.79
  5. Step 5: Solve for x
    x = 1,647,574,060.79/38,480.16
  6. Step 6: Final answer
    x = 42,816.20

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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.