Home / 54,036.16-81,054.24-22,871.68

Finding the Fourth Proportional to 54,036.16, 81,054.24 and 22,871.68

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Solution

The fourth proportional to 54,036.16, 81,054.24 and 22,871.68 is: 34,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.16 : 81,054.24 = 22,871.68 : x
  2. Step 2: Convert to fraction form
    54,036.16/81,054.24 = 22,871.68/x
  3. Step 3: Cross multiply
    54,036.16x = 81,054.24 × 22,871.68
  4. Step 4: Simplify right side
    54,036.16x = 1,853,846,639.92
  5. Step 5: Solve for x
    x = 1,853,846,639.92/54,036.16
  6. Step 6: Final answer
    x = 34,307.52

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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.