Home / 53,921.70-80,868.15-16,481.70

Finding the Fourth Proportional to 53,921.70, 80,868.15 and 16,481.70

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Solution

The fourth proportional to 53,921.70, 80,868.15 and 16,481.70 is: 24,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.70 : 80,868.15 = 16,481.70 : x
  2. Step 2: Convert to fraction form
    53,921.70/80,868.15 = 16,481.70/x
  3. Step 3: Cross multiply
    53,921.70x = 80,868.15 × 16,481.70
  4. Step 4: Simplify right side
    53,921.70x = 1,332,844,587.86
  5. Step 5: Solve for x
    x = 1,332,844,587.86/53,921.70
  6. Step 6: Final answer
    x = 24,718.15

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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.