Home / 38,793.60-58,147.20-20,066.40

Finding the Fourth Proportional to 38,793.60, 58,147.20 and 20,066.40

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Solution

The fourth proportional to 38,793.60, 58,147.20 and 20,066.40 is: 30,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.60 : 58,147.20 = 20,066.40 : x
  2. Step 2: Convert to fraction form
    38,793.60/58,147.20 = 20,066.40/x
  3. Step 3: Cross multiply
    38,793.60x = 58,147.20 × 20,066.40
  4. Step 4: Simplify right side
    38,793.60x = 1,166,804,974.08
  5. Step 5: Solve for x
    x = 1,166,804,974.08/38,793.60
  6. Step 6: Final answer
    x = 30,077.25

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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.