Home / 29,278.68-43,915.62-8,219.04

Finding the Fourth Proportional to 29,278.68, 43,915.62 and 8,219.04

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Solution

The fourth proportional to 29,278.68, 43,915.62 and 8,219.04 is: 12,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.68 : 43,915.62 = 8,219.04 : x
  2. Step 2: Convert to fraction form
    29,278.68/43,915.62 = 8,219.04/x
  3. Step 3: Cross multiply
    29,278.68x = 43,915.62 × 8,219.04
  4. Step 4: Simplify right side
    29,278.68x = 360,944,237.40
  5. Step 5: Solve for x
    x = 360,944,237.40/29,278.68
  6. Step 6: Final answer
    x = 12,327.89

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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.