Home / 55,152.61-82,712.48-20,084.06

Finding the Fourth Proportional to 55,152.61, 82,712.48 and 20,084.06

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Solution

The fourth proportional to 55,152.61, 82,712.48 and 20,084.06 is: 30,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,152.61 : 82,712.48 = 20,084.06 : x
  2. Step 2: Convert to fraction form
    55,152.61/82,712.48 = 20,084.06/x
  3. Step 3: Cross multiply
    55,152.61x = 82,712.48 × 20,084.06
  4. Step 4: Simplify right side
    55,152.61x = 1,661,202,517.43
  5. Step 5: Solve for x
    x = 1,661,202,517.43/55,152.61
  6. Step 6: Final answer
    x = 30,120.11

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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.