Home / 39,423.12-54,400.20-23,504.40

Finding the Fourth Proportional to 39,423.12, 54,400.20 and 23,504.40

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Solution

The fourth proportional to 39,423.12, 54,400.20 and 23,504.40 is: 32,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423.12 : 54,400.20 = 23,504.40 : x
  2. Step 2: Convert to fraction form
    39,423.12/54,400.20 = 23,504.40/x
  3. Step 3: Cross multiply
    39,423.12x = 54,400.20 × 23,504.40
  4. Step 4: Simplify right side
    39,423.12x = 1,278,644,060.88
  5. Step 5: Solve for x
    x = 1,278,644,060.88/39,423.12
  6. Step 6: Final answer
    x = 32,433.86

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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.