Home / 54,296.64-74,921.76-30,421.44

Finding the Fourth Proportional to 54,296.64, 74,921.76 and 30,421.44

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Solution

The fourth proportional to 54,296.64, 74,921.76 and 30,421.44 is: 41,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.64 : 74,921.76 = 30,421.44 : x
  2. Step 2: Convert to fraction form
    54,296.64/74,921.76 = 30,421.44/x
  3. Step 3: Cross multiply
    54,296.64x = 74,921.76 × 30,421.44
  4. Step 4: Simplify right side
    54,296.64x = 2,279,227,826.53
  5. Step 5: Solve for x
    x = 2,279,227,826.53/54,296.64
  6. Step 6: Final answer
    x = 41,977.33

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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.