Home / 32,491.71-44,821.94-21,180.15

Finding the Fourth Proportional to 32,491.71, 44,821.94 and 21,180.15

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Solution

The fourth proportional to 32,491.71, 44,821.94 and 21,180.15 is: 29,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.71 : 44,821.94 = 21,180.15 : x
  2. Step 2: Convert to fraction form
    32,491.71/44,821.94 = 21,180.15/x
  3. Step 3: Cross multiply
    32,491.71x = 44,821.94 × 21,180.15
  4. Step 4: Simplify right side
    32,491.71x = 949,335,306.59
  5. Step 5: Solve for x
    x = 949,335,306.59/32,491.71
  6. Step 6: Final answer
    x = 29,217.77

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1.5x scale

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.