Home / 42,934.44-64,401.84-15,213

Finding the Fourth Proportional to 42,934.44, 64,401.84 and 15,213

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Solution

The fourth proportional to 42,934.44, 64,401.84 and 15,213 is: 22,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,934.44 : 64,401.84 = 15,213 : x
  2. Step 2: Convert to fraction form
    42,934.44/64,401.84 = 15,213/x
  3. Step 3: Cross multiply
    42,934.44x = 64,401.84 × 15,213
  4. Step 4: Simplify right side
    42,934.44x = 979,745,191.92
  5. Step 5: Solve for x
    x = 979,745,191.92/42,934.44
  6. Step 6: Final answer
    x = 22,819.56

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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.