Home / 45,341.76-67,908.92-21,665.95

Finding the Fourth Proportional to 45,341.76, 67,908.92 and 21,665.95

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Solution

The fourth proportional to 45,341.76, 67,908.92 and 21,665.95 is: 32,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,341.76 : 67,908.92 = 21,665.95 : x
  2. Step 2: Convert to fraction form
    45,341.76/67,908.92 = 21,665.95/x
  3. Step 3: Cross multiply
    45,341.76x = 67,908.92 × 21,665.95
  4. Step 4: Simplify right side
    45,341.76x = 1,471,311,149.67
  5. Step 5: Solve for x
    x = 1,471,311,149.67/45,341.76
  6. Step 6: Final answer
    x = 32,449.36

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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.