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Finding the Fourth Proportional to 54,048.72, 80,927.28 and 35,282.28

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Solution

The fourth proportional to 54,048.72, 80,927.28 and 35,282.28 is: 52,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,048.72 : 80,927.28 = 35,282.28 : x
  2. Step 2: Convert to fraction form
    54,048.72/80,927.28 = 35,282.28/x
  3. Step 3: Cross multiply
    54,048.72x = 80,927.28 × 35,282.28
  4. Step 4: Simplify right side
    54,048.72x = 2,855,298,952.60
  5. Step 5: Solve for x
    x = 2,855,298,952.60/54,048.72
  6. Step 6: Final answer
    x = 52,828.24

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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.