Home / 38,843.20-58,149.60-25,710.40

Finding the Fourth Proportional to 38,843.20, 58,149.60 and 25,710.40

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Solution

The fourth proportional to 38,843.20, 58,149.60 and 25,710.40 is: 38,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843.20 : 58,149.60 = 25,710.40 : x
  2. Step 2: Convert to fraction form
    38,843.20/58,149.60 = 25,710.40/x
  3. Step 3: Cross multiply
    38,843.20x = 58,149.60 × 25,710.40
  4. Step 4: Simplify right side
    38,843.20x = 1,495,049,475.84
  5. Step 5: Solve for x
    x = 1,495,049,475.84/38,843.20
  6. Step 6: Final answer
    x = 38,489.35

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1.5x scale

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.