Home / 48,718.06-73,081.73-13,657.61

Finding the Fourth Proportional to 48,718.06, 73,081.73 and 13,657.61

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Solution

The fourth proportional to 48,718.06, 73,081.73 and 13,657.61 is: 20,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.06 : 73,081.73 = 13,657.61 : x
  2. Step 2: Convert to fraction form
    48,718.06/73,081.73 = 13,657.61/x
  3. Step 3: Cross multiply
    48,718.06x = 73,081.73 × 13,657.61
  4. Step 4: Simplify right side
    48,718.06x = 998,121,983.31
  5. Step 5: Solve for x
    x = 998,121,983.31/48,718.06
  6. Step 6: Final answer
    x = 20,487.72

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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.