Home / 29,144.62-40,236.16-19,237.42

Finding the Fourth Proportional to 29,144.62, 40,236.16 and 19,237.42

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Solution

The fourth proportional to 29,144.62, 40,236.16 and 19,237.42 is: 26,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,144.62 : 40,236.16 = 19,237.42 : x
  2. Step 2: Convert to fraction form
    29,144.62/40,236.16 = 19,237.42/x
  3. Step 3: Cross multiply
    29,144.62x = 40,236.16 × 19,237.42
  4. Step 4: Simplify right side
    29,144.62x = 774,039,909.11
  5. Step 5: Solve for x
    x = 774,039,909.11/29,144.62
  6. Step 6: Final answer
    x = 26,558.59

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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.