Home / 54,650.60-75,419.84-30,453.72

Finding the Fourth Proportional to 54,650.60, 75,419.84 and 30,453.72

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Solution

The fourth proportional to 54,650.60, 75,419.84 and 30,453.72 is: 42,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.60 : 75,419.84 = 30,453.72 : x
  2. Step 2: Convert to fraction form
    54,650.60/75,419.84 = 30,453.72/x
  3. Step 3: Cross multiply
    54,650.60x = 75,419.84 × 30,453.72
  4. Step 4: Simplify right side
    54,650.60x = 2,296,814,689.80
  5. Step 5: Solve for x
    x = 2,296,814,689.80/54,650.60
  6. Step 6: Final answer
    x = 42,027.25

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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.