Home / 34,687.28-52,044-20,655.36

Finding the Fourth Proportional to 34,687.28, 52,044 and 20,655.36

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Solution

The fourth proportional to 34,687.28, 52,044 and 20,655.36 is: 30,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.28 : 52,044 = 20,655.36 : x
  2. Step 2: Convert to fraction form
    34,687.28/52,044 = 20,655.36/x
  3. Step 3: Cross multiply
    34,687.28x = 52,044 × 20,655.36
  4. Step 4: Simplify right side
    34,687.28x = 1,074,987,555.84
  5. Step 5: Solve for x
    x = 1,074,987,555.84/34,687.28
  6. Step 6: Final answer
    x = 30,990.83

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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.