Home / 53,872.44-74,343.78-29,999.40

Finding the Fourth Proportional to 53,872.44, 74,343.78 and 29,999.40

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Solution

The fourth proportional to 53,872.44, 74,343.78 and 29,999.40 is: 41,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,872.44 : 74,343.78 = 29,999.40 : x
  2. Step 2: Convert to fraction form
    53,872.44/74,343.78 = 29,999.40/x
  3. Step 3: Cross multiply
    53,872.44x = 74,343.78 × 29,999.40
  4. Step 4: Simplify right side
    53,872.44x = 2,230,268,793.73
  5. Step 5: Solve for x
    x = 2,230,268,793.73/53,872.44
  6. Step 6: Final answer
    x = 41,399.07

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1.5x scale

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.