Home / 55,270.32-82,890.30-15,279.82

Finding the Fourth Proportional to 55,270.32, 82,890.30 and 15,279.82

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Solution

The fourth proportional to 55,270.32, 82,890.30 and 15,279.82 is: 22,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.32 : 82,890.30 = 15,279.82 : x
  2. Step 2: Convert to fraction form
    55,270.32/82,890.30 = 15,279.82/x
  3. Step 3: Cross multiply
    55,270.32x = 82,890.30 × 15,279.82
  4. Step 4: Simplify right side
    55,270.32x = 1,266,548,863.75
  5. Step 5: Solve for x
    x = 1,266,548,863.75/55,270.32
  6. Step 6: Final answer
    x = 22,915.53

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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.