Home / 38,456.60-57,636.30-28,056.20

Finding the Fourth Proportional to 38,456.60, 57,636.30 and 28,056.20

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Solution

The fourth proportional to 38,456.60, 57,636.30 and 28,056.20 is: 42,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.60 : 57,636.30 = 28,056.20 : x
  2. Step 2: Convert to fraction form
    38,456.60/57,636.30 = 28,056.20/x
  3. Step 3: Cross multiply
    38,456.60x = 57,636.30 × 28,056.20
  4. Step 4: Simplify right side
    38,456.60x = 1,617,055,560.06
  5. Step 5: Solve for x
    x = 1,617,055,560.06/38,456.60
  6. Step 6: Final answer
    x = 42,048.84

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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.