Home / 82,370.28-123,554.52-20,040.84

Finding the Fourth Proportional to 82,370.28, 123,554.52 and 20,040.84

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Solution

The fourth proportional to 82,370.28, 123,554.52 and 20,040.84 is: 30,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,370.28 : 123,554.52 = 20,040.84 : x
  2. Step 2: Convert to fraction form
    82,370.28/123,554.52 = 20,040.84/x
  3. Step 3: Cross multiply
    82,370.28x = 123,554.52 × 20,040.84
  4. Step 4: Simplify right side
    82,370.28x = 2,476,136,366.60
  5. Step 5: Solve for x
    x = 2,476,136,366.60/82,370.28
  6. Step 6: Final answer
    x = 30,061.04

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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.