Home / 49,661.90-74,491.18-21,581.95

Finding the Fourth Proportional to 49,661.90, 74,491.18 and 21,581.95

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Solution

The fourth proportional to 49,661.90, 74,491.18 and 21,581.95 is: 32,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661.90 : 74,491.18 = 21,581.95 : x
  2. Step 2: Convert to fraction form
    49,661.90/74,491.18 = 21,581.95/x
  3. Step 3: Cross multiply
    49,661.90x = 74,491.18 × 21,581.95
  4. Step 4: Simplify right side
    49,661.90x = 1,607,665,138.85
  5. Step 5: Solve for x
    x = 1,607,665,138.85/49,661.90
  6. Step 6: Final answer
    x = 32,372.21

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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.