Home / 54,418.64-81,627.95-19,358.60

Finding the Fourth Proportional to 54,418.64, 81,627.95 and 19,358.60

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Solution

The fourth proportional to 54,418.64, 81,627.95 and 19,358.60 is: 29,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418.64 : 81,627.95 = 19,358.60 : x
  2. Step 2: Convert to fraction form
    54,418.64/81,627.95 = 19,358.60/x
  3. Step 3: Cross multiply
    54,418.64x = 81,627.95 × 19,358.60
  4. Step 4: Simplify right side
    54,418.64x = 1,580,202,473.13
  5. Step 5: Solve for x
    x = 1,580,202,473.13/54,418.64
  6. Step 6: Final answer
    x = 29,037.89

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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.