Home / 54,348.10-81,412.80-36,633.40

Finding the Fourth Proportional to 54,348.10, 81,412.80 and 36,633.40

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Solution

The fourth proportional to 54,348.10, 81,412.80 and 36,633.40 is: 54,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.10 : 81,412.80 = 36,633.40 : x
  2. Step 2: Convert to fraction form
    54,348.10/81,412.80 = 36,633.40/x
  3. Step 3: Cross multiply
    54,348.10x = 81,412.80 × 36,633.40
  4. Step 4: Simplify right side
    54,348.10x = 2,982,427,667.52
  5. Step 5: Solve for x
    x = 2,982,427,667.52/54,348.10
  6. Step 6: Final answer
    x = 54,876.39

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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.