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Finding the Fourth Proportional to 32,645.69, 45,064.85 and 22,049.68

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Solution

The fourth proportional to 32,645.69, 45,064.85 and 22,049.68 is: 30,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,645.69 : 45,064.85 = 22,049.68 : x
  2. Step 2: Convert to fraction form
    32,645.69/45,064.85 = 22,049.68/x
  3. Step 3: Cross multiply
    32,645.69x = 45,064.85 × 22,049.68
  4. Step 4: Simplify right side
    32,645.69x = 993,665,298.84
  5. Step 5: Solve for x
    x = 993,665,298.84/32,645.69
  6. Step 6: Final answer
    x = 30,437.87

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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.