Home / 51,016.91-70,399.92-28,354.43

Finding the Fourth Proportional to 51,016.91, 70,399.92 and 28,354.43

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Solution

The fourth proportional to 51,016.91, 70,399.92 and 28,354.43 is: 39,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,016.91 : 70,399.92 = 28,354.43 : x
  2. Step 2: Convert to fraction form
    51,016.91/70,399.92 = 28,354.43/x
  3. Step 3: Cross multiply
    51,016.91x = 70,399.92 × 28,354.43
  4. Step 4: Simplify right side
    51,016.91x = 1,996,149,603.65
  5. Step 5: Solve for x
    x = 1,996,149,603.65/51,016.91
  6. Step 6: Final answer
    x = 39,127.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.