Home / 53,516.20-80,275.20-20,251.93

Finding the Fourth Proportional to 53,516.20, 80,275.20 and 20,251.93

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Solution

The fourth proportional to 53,516.20, 80,275.20 and 20,251.93 is: 30,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,516.20 : 80,275.20 = 20,251.93 : x
  2. Step 2: Convert to fraction form
    53,516.20/80,275.20 = 20,251.93/x
  3. Step 3: Cross multiply
    53,516.20x = 80,275.20 × 20,251.93
  4. Step 4: Simplify right side
    53,516.20x = 1,625,727,731.14
  5. Step 5: Solve for x
    x = 1,625,727,731.14/53,516.20
  6. Step 6: Final answer
    x = 30,378.24

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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.