Home / 39,654.54-54,708.20-25,314.90

Finding the Fourth Proportional to 39,654.54, 54,708.20 and 25,314.90

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Solution

The fourth proportional to 39,654.54, 54,708.20 and 25,314.90 is: 34,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,654.54 : 54,708.20 = 25,314.90 : x
  2. Step 2: Convert to fraction form
    39,654.54/54,708.20 = 25,314.90/x
  3. Step 3: Cross multiply
    39,654.54x = 54,708.20 × 25,314.90
  4. Step 4: Simplify right side
    39,654.54x = 1,384,932,612.18
  5. Step 5: Solve for x
    x = 1,384,932,612.18/39,654.54
  6. Step 6: Final answer
    x = 34,924.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.