Home / 40,135.53-55,378.49-24,219.70

Finding the Fourth Proportional to 40,135.53, 55,378.49 and 24,219.70

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Solution

The fourth proportional to 40,135.53, 55,378.49 and 24,219.70 is: 33,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.53 : 55,378.49 = 24,219.70 : x
  2. Step 2: Convert to fraction form
    40,135.53/55,378.49 = 24,219.70/x
  3. Step 3: Cross multiply
    40,135.53x = 55,378.49 × 24,219.70
  4. Step 4: Simplify right side
    40,135.53x = 1,341,250,474.80
  5. Step 5: Solve for x
    x = 1,341,250,474.80/40,135.53
  6. Step 6: Final answer
    x = 33,418.04

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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.