Home / 82,351.28-123,526.02-20,021.84

Finding the Fourth Proportional to 82,351.28, 123,526.02 and 20,021.84

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Solution

The fourth proportional to 82,351.28, 123,526.02 and 20,021.84 is: 30,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,351.28 : 123,526.02 = 20,021.84 : x
  2. Step 2: Convert to fraction form
    82,351.28/123,526.02 = 20,021.84/x
  3. Step 3: Cross multiply
    82,351.28x = 123,526.02 × 20,021.84
  4. Step 4: Simplify right side
    82,351.28x = 2,473,218,208.28
  5. Step 5: Solve for x
    x = 2,473,218,208.28/82,351.28
  6. Step 6: Final answer
    x = 30,032.54

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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.