Home / 74,073.52-111,136.26-21,486.16

Finding the Fourth Proportional to 74,073.52, 111,136.26 and 21,486.16

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Solution

The fourth proportional to 74,073.52, 111,136.26 and 21,486.16 is: 32,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,073.52 : 111,136.26 = 21,486.16 : x
  2. Step 2: Convert to fraction form
    74,073.52/111,136.26 = 21,486.16/x
  3. Step 3: Cross multiply
    74,073.52x = 111,136.26 × 21,486.16
  4. Step 4: Simplify right side
    74,073.52x = 2,387,891,464.16
  5. Step 5: Solve for x
    x = 2,387,891,464.16/74,073.52
  6. Step 6: Final answer
    x = 32,236.78

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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.