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Finding the Fourth Proportional to 32,760.66, 45,209.66 and 19,331.94

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Solution

The fourth proportional to 32,760.66, 45,209.66 and 19,331.94 is: 26,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.66 : 45,209.66 = 19,331.94 : x
  2. Step 2: Convert to fraction form
    32,760.66/45,209.66 = 19,331.94/x
  3. Step 3: Cross multiply
    32,760.66x = 45,209.66 × 19,331.94
  4. Step 4: Simplify right side
    32,760.66x = 873,990,434.54
  5. Step 5: Solve for x
    x = 873,990,434.54/32,760.66
  6. Step 6: Final answer
    x = 26,678.05

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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.