Home / 40,634.45-60,929.76-18,435.71

Finding the Fourth Proportional to 40,634.45, 60,929.76 and 18,435.71

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Solution

The fourth proportional to 40,634.45, 60,929.76 and 18,435.71 is: 27,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,634.45 : 60,929.76 = 18,435.71 : x
  2. Step 2: Convert to fraction form
    40,634.45/60,929.76 = 18,435.71/x
  3. Step 3: Cross multiply
    40,634.45x = 60,929.76 × 18,435.71
  4. Step 4: Simplify right side
    40,634.45x = 1,123,283,385.73
  5. Step 5: Solve for x
    x = 1,123,283,385.73/40,634.45
  6. Step 6: Final answer
    x = 27,643.62

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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.