Home / 23,270.60-34,905.90-20,743.40

Finding the Fourth Proportional to 23,270.60, 34,905.90 and 20,743.40

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Solution

The fourth proportional to 23,270.60, 34,905.90 and 20,743.40 is: 31,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.60 : 34,905.90 = 20,743.40 : x
  2. Step 2: Convert to fraction form
    23,270.60/34,905.90 = 20,743.40/x
  3. Step 3: Cross multiply
    23,270.60x = 34,905.90 × 20,743.40
  4. Step 4: Simplify right side
    23,270.60x = 724,067,046.06
  5. Step 5: Solve for x
    x = 724,067,046.06/23,270.60
  6. Step 6: Final answer
    x = 31,115.10

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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.