Home / 40,400.90-60,601.35-25,675.10

Finding the Fourth Proportional to 40,400.90, 60,601.35 and 25,675.10

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Solution

The fourth proportional to 40,400.90, 60,601.35 and 25,675.10 is: 38,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.90 : 60,601.35 = 25,675.10 : x
  2. Step 2: Convert to fraction form
    40,400.90/60,601.35 = 25,675.10/x
  3. Step 3: Cross multiply
    40,400.90x = 60,601.35 × 25,675.10
  4. Step 4: Simplify right side
    40,400.90x = 1,555,945,721.39
  5. Step 5: Solve for x
    x = 1,555,945,721.39/40,400.90
  6. Step 6: Final answer
    x = 38,512.65

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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.