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Finding the Fourth Proportional to 48,497.40, 72,745.97 and 15,217.61

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Solution

The fourth proportional to 48,497.40, 72,745.97 and 15,217.61 is: 22,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,497.40 : 72,745.97 = 15,217.61 : x
  2. Step 2: Convert to fraction form
    48,497.40/72,745.97 = 15,217.61/x
  3. Step 3: Cross multiply
    48,497.40x = 72,745.97 × 15,217.61
  4. Step 4: Simplify right side
    48,497.40x = 1,107,019,360.71
  5. Step 5: Solve for x
    x = 1,107,019,360.71/48,497.40
  6. Step 6: Final answer
    x = 22,826.37

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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.