Home / 40,200.80-55,472.16-24,286.40

Finding the Fourth Proportional to 40,200.80, 55,472.16 and 24,286.40

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Solution

The fourth proportional to 40,200.80, 55,472.16 and 24,286.40 is: 33,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.80 : 55,472.16 = 24,286.40 : x
  2. Step 2: Convert to fraction form
    40,200.80/55,472.16 = 24,286.40/x
  3. Step 3: Cross multiply
    40,200.80x = 55,472.16 × 24,286.40
  4. Step 4: Simplify right side
    40,200.80x = 1,347,219,066.62
  5. Step 5: Solve for x
    x = 1,347,219,066.62/40,200.80
  6. Step 6: Final answer
    x = 33,512.25

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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.