Home / 34,872.28-48,150.88-21,449.76

Finding the Fourth Proportional to 34,872.28, 48,150.88 and 21,449.76

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Solution

The fourth proportional to 34,872.28, 48,150.88 and 21,449.76 is: 29,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.28 : 48,150.88 = 21,449.76 : x
  2. Step 2: Convert to fraction form
    34,872.28/48,150.88 = 21,449.76/x
  3. Step 3: Cross multiply
    34,872.28x = 48,150.88 × 21,449.76
  4. Step 4: Simplify right side
    34,872.28x = 1,032,824,819.79
  5. Step 5: Solve for x
    x = 1,032,824,819.79/34,872.28
  6. Step 6: Final answer
    x = 29,617.36

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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.