Home / 48,557.24-72,864.16-20,475.56

Finding the Fourth Proportional to 48,557.24, 72,864.16 and 20,475.56

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Solution

The fourth proportional to 48,557.24, 72,864.16 and 20,475.56 is: 30,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,557.24 : 72,864.16 = 20,475.56 : x
  2. Step 2: Convert to fraction form
    48,557.24/72,864.16 = 20,475.56/x
  3. Step 3: Cross multiply
    48,557.24x = 72,864.16 × 20,475.56
  4. Step 4: Simplify right side
    48,557.24x = 1,491,934,479.93
  5. Step 5: Solve for x
    x = 1,491,934,479.93/48,557.24
  6. Step 6: Final answer
    x = 30,725.27

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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.