Home / 54,020.76-81,039.78-22,856.28

Finding the Fourth Proportional to 54,020.76, 81,039.78 and 22,856.28

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Solution

The fourth proportional to 54,020.76, 81,039.78 and 22,856.28 is: 34,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.76 : 81,039.78 = 22,856.28 : x
  2. Step 2: Convert to fraction form
    54,020.76/81,039.78 = 22,856.28/x
  3. Step 3: Cross multiply
    54,020.76x = 81,039.78 × 22,856.28
  4. Step 4: Simplify right side
    54,020.76x = 1,852,267,902.82
  5. Step 5: Solve for x
    x = 1,852,267,902.82/54,020.76
  6. Step 6: Final answer
    x = 34,288.08

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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.