Home / 74,142.42-111,236.31-21,552.36

Finding the Fourth Proportional to 74,142.42, 111,236.31 and 21,552.36

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Solution

The fourth proportional to 74,142.42, 111,236.31 and 21,552.36 is: 32,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,142.42 : 111,236.31 = 21,552.36 : x
  2. Step 2: Convert to fraction form
    74,142.42/111,236.31 = 21,552.36/x
  3. Step 3: Cross multiply
    74,142.42x = 111,236.31 × 21,552.36
  4. Step 4: Simplify right side
    74,142.42x = 2,397,404,998.19
  5. Step 5: Solve for x
    x = 2,397,404,998.19/74,142.42
  6. Step 6: Final answer
    x = 32,335.13

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1.5x scale

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.