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Finding the Fourth Proportional to 32,362.80, 48,551.13 and 18,329.46

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Solution

The fourth proportional to 32,362.80, 48,551.13 and 18,329.46 is: 27,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,362.80 : 48,551.13 = 18,329.46 : x
  2. Step 2: Convert to fraction form
    32,362.80/48,551.13 = 18,329.46/x
  3. Step 3: Cross multiply
    32,362.80x = 48,551.13 × 18,329.46
  4. Step 4: Simplify right side
    32,362.80x = 889,915,995.29
  5. Step 5: Solve for x
    x = 889,915,995.29/32,362.80
  6. Step 6: Final answer
    x = 27,498.11

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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.