Home / 48,415.68-72,628.24-18,835.92

Finding the Fourth Proportional to 48,415.68, 72,628.24 and 18,835.92

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Solution

The fourth proportional to 48,415.68, 72,628.24 and 18,835.92 is: 28,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.68 : 72,628.24 = 18,835.92 : x
  2. Step 2: Convert to fraction form
    48,415.68/72,628.24 = 18,835.92/x
  3. Step 3: Cross multiply
    48,415.68x = 72,628.24 × 18,835.92
  4. Step 4: Simplify right side
    48,415.68x = 1,368,019,718.38
  5. Step 5: Solve for x
    x = 1,368,019,718.38/48,415.68
  6. Step 6: Final answer
    x = 28,255.72

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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.