Home / 49,760.68-74,629.40-14,221.02

Finding the Fourth Proportional to 49,760.68, 74,629.40 and 14,221.02

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Solution

The fourth proportional to 49,760.68, 74,629.40 and 14,221.02 is: 21,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,760.68 : 74,629.40 = 14,221.02 : x
  2. Step 2: Convert to fraction form
    49,760.68/74,629.40 = 14,221.02/x
  3. Step 3: Cross multiply
    49,760.68x = 74,629.40 × 14,221.02
  4. Step 4: Simplify right side
    49,760.68x = 1,061,306,058.95
  5. Step 5: Solve for x
    x = 1,061,306,058.95/49,760.68
  6. Step 6: Final answer
    x = 21,328.21

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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.