Home / 48,478.29-72,718.34-15,197.61

Finding the Fourth Proportional to 48,478.29, 72,718.34 and 15,197.61

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Solution

The fourth proportional to 48,478.29, 72,718.34 and 15,197.61 is: 22,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.29 : 72,718.34 = 15,197.61 : x
  2. Step 2: Convert to fraction form
    48,478.29/72,718.34 = 15,197.61/x
  3. Step 3: Cross multiply
    48,478.29x = 72,718.34 × 15,197.61
  4. Step 4: Simplify right side
    48,478.29x = 1,105,144,971.17
  5. Step 5: Solve for x
    x = 1,105,144,971.17/48,478.29
  6. Step 6: Final answer
    x = 22,796.70

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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.