Home / 54,284.34-81,398.73-22,685.78

Finding the Fourth Proportional to 54,284.34, 81,398.73 and 22,685.78

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Solution

The fourth proportional to 54,284.34, 81,398.73 and 22,685.78 is: 34,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.34 : 81,398.73 = 22,685.78 : x
  2. Step 2: Convert to fraction form
    54,284.34/81,398.73 = 22,685.78/x
  3. Step 3: Cross multiply
    54,284.34x = 81,398.73 × 22,685.78
  4. Step 4: Simplify right side
    54,284.34x = 1,846,593,274.07
  5. Step 5: Solve for x
    x = 1,846,593,274.07/54,284.34
  6. Step 6: Final answer
    x = 34,017.05

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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.