Home / 54,782.06-82,156.61-28,472.42

Finding the Fourth Proportional to 54,782.06, 82,156.61 and 28,472.42

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Solution

The fourth proportional to 54,782.06, 82,156.61 and 28,472.42 is: 42,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,782.06 : 82,156.61 = 28,472.42 : x
  2. Step 2: Convert to fraction form
    54,782.06/82,156.61 = 28,472.42/x
  3. Step 3: Cross multiply
    54,782.06x = 82,156.61 × 28,472.42
  4. Step 4: Simplify right side
    54,782.06x = 2,339,197,166.09
  5. Step 5: Solve for x
    x = 2,339,197,166.09/54,782.06
  6. Step 6: Final answer
    x = 42,700.06

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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.