Home / 49,476.60-74,301.30-47,921.40

Finding the Fourth Proportional to 49,476.60, 74,301.30 and 47,921.40

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Solution

The fourth proportional to 49,476.60, 74,301.30 and 47,921.40 is: 71,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,476.60 : 74,301.30 = 47,921.40 : x
  2. Step 2: Convert to fraction form
    49,476.60/74,301.30 = 47,921.40/x
  3. Step 3: Cross multiply
    49,476.60x = 74,301.30 × 47,921.40
  4. Step 4: Simplify right side
    49,476.60x = 3,560,622,317.82
  5. Step 5: Solve for x
    x = 3,560,622,317.82/49,476.60
  6. Step 6: Final answer
    x = 71,965.78

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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.