Home / 39,418.20-54,381.60-25,995.96

Finding the Fourth Proportional to 39,418.20, 54,381.60 and 25,995.96

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Solution

The fourth proportional to 39,418.20, 54,381.60 and 25,995.96 is: 35,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,418.20 : 54,381.60 = 25,995.96 : x
  2. Step 2: Convert to fraction form
    39,418.20/54,381.60 = 25,995.96/x
  3. Step 3: Cross multiply
    39,418.20x = 54,381.60 × 25,995.96
  4. Step 4: Simplify right side
    39,418.20x = 1,413,701,898.34
  5. Step 5: Solve for x
    x = 1,413,701,898.34/39,418.20
  6. Step 6: Final answer
    x = 35,864.19

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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.