Home / 54,187.88-74,779.30-30,314.56

Finding the Fourth Proportional to 54,187.88, 74,779.30 and 30,314.56

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Solution

The fourth proportional to 54,187.88, 74,779.30 and 30,314.56 is: 41,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.88 : 74,779.30 = 30,314.56 : x
  2. Step 2: Convert to fraction form
    54,187.88/74,779.30 = 30,314.56/x
  3. Step 3: Cross multiply
    54,187.88x = 74,779.30 × 30,314.56
  4. Step 4: Simplify right side
    54,187.88x = 2,266,901,576.61
  5. Step 5: Solve for x
    x = 2,266,901,576.61/54,187.88
  6. Step 6: Final answer
    x = 41,834.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.