Home / 32,910.39-49,372.88-18,111.69

Finding the Fourth Proportional to 32,910.39, 49,372.88 and 18,111.69

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Solution

The fourth proportional to 32,910.39, 49,372.88 and 18,111.69 is: 27,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,910.39 : 49,372.88 = 18,111.69 : x
  2. Step 2: Convert to fraction form
    32,910.39/49,372.88 = 18,111.69/x
  3. Step 3: Cross multiply
    32,910.39x = 49,372.88 × 18,111.69
  4. Step 4: Simplify right side
    32,910.39x = 894,226,206.41
  5. Step 5: Solve for x
    x = 894,226,206.41/32,910.39
  6. Step 6: Final answer
    x = 27,171.55

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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.