Home / 54,109.38-81,172.80-16,669.46

Finding the Fourth Proportional to 54,109.38, 81,172.80 and 16,669.46

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Solution

The fourth proportional to 54,109.38, 81,172.80 and 16,669.46 is: 25,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.38 : 81,172.80 = 16,669.46 : x
  2. Step 2: Convert to fraction form
    54,109.38/81,172.80 = 16,669.46/x
  3. Step 3: Cross multiply
    54,109.38x = 81,172.80 × 16,669.46
  4. Step 4: Simplify right side
    54,109.38x = 1,353,106,336.82
  5. Step 5: Solve for x
    x = 1,353,106,336.82/54,109.38
  6. Step 6: Final answer
    x = 25,006.87

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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.