Home / 38,486.80-57,730.20-25,267.60

Finding the Fourth Proportional to 38,486.80, 57,730.20 and 25,267.60

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Solution

The fourth proportional to 38,486.80, 57,730.20 and 25,267.60 is: 37,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.80 : 57,730.20 = 25,267.60 : x
  2. Step 2: Convert to fraction form
    38,486.80/57,730.20 = 25,267.60/x
  3. Step 3: Cross multiply
    38,486.80x = 57,730.20 × 25,267.60
  4. Step 4: Simplify right side
    38,486.80x = 1,458,703,601.52
  5. Step 5: Solve for x
    x = 1,458,703,601.52/38,486.80
  6. Step 6: Final answer
    x = 37,901.40

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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.