Home / 40,963.20-61,347.60-25,216.80

Finding the Fourth Proportional to 40,963.20, 61,347.60 and 25,216.80

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Solution

The fourth proportional to 40,963.20, 61,347.60 and 25,216.80 is: 37,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,963.20 : 61,347.60 = 25,216.80 : x
  2. Step 2: Convert to fraction form
    40,963.20/61,347.60 = 25,216.80/x
  3. Step 3: Cross multiply
    40,963.20x = 61,347.60 × 25,216.80
  4. Step 4: Simplify right side
    40,963.20x = 1,546,990,159.68
  5. Step 5: Solve for x
    x = 1,546,990,159.68/40,963.20
  6. Step 6: Final answer
    x = 37,765.36

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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.