Home / 30,470.87-41,956.34-26,672.78

Finding the Fourth Proportional to 30,470.87, 41,956.34 and 26,672.78

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Solution

The fourth proportional to 30,470.87, 41,956.34 and 26,672.78 is: 36,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.87 : 41,956.34 = 26,672.78 : x
  2. Step 2: Convert to fraction form
    30,470.87/41,956.34 = 26,672.78/x
  3. Step 3: Cross multiply
    30,470.87x = 41,956.34 × 26,672.78
  4. Step 4: Simplify right side
    30,470.87x = 1,119,092,197.95
  5. Step 5: Solve for x
    x = 1,119,092,197.95/30,470.87
  6. Step 6: Final answer
    x = 36,726.62

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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.