Home / 55,511.06-83,247.78-18,061.88

Finding the Fourth Proportional to 55,511.06, 83,247.78 and 18,061.88

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Solution

The fourth proportional to 55,511.06, 83,247.78 and 18,061.88 is: 27,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.06 : 83,247.78 = 18,061.88 : x
  2. Step 2: Convert to fraction form
    55,511.06/83,247.78 = 18,061.88/x
  3. Step 3: Cross multiply
    55,511.06x = 83,247.78 × 18,061.88
  4. Step 4: Simplify right side
    55,511.06x = 1,503,611,412.63
  5. Step 5: Solve for x
    x = 1,503,611,412.63/55,511.06
  6. Step 6: Final answer
    x = 27,086.70

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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.