Home / 40,933.20-61,356.60-15,963.60

Finding the Fourth Proportional to 40,933.20, 61,356.60 and 15,963.60

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Solution

The fourth proportional to 40,933.20, 61,356.60 and 15,963.60 is: 23,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933.20 : 61,356.60 = 15,963.60 : x
  2. Step 2: Convert to fraction form
    40,933.20/61,356.60 = 15,963.60/x
  3. Step 3: Cross multiply
    40,933.20x = 61,356.60 × 15,963.60
  4. Step 4: Simplify right side
    40,933.20x = 979,472,219.76
  5. Step 5: Solve for x
    x = 979,472,219.76/40,933.20
  6. Step 6: Final answer
    x = 23,928.55

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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.