Home / 54,109.51-81,172.99-16,669.57

Finding the Fourth Proportional to 54,109.51, 81,172.99 and 16,669.57

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Solution

The fourth proportional to 54,109.51, 81,172.99 and 16,669.57 is: 25,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.51 : 81,172.99 = 16,669.57 : x
  2. Step 2: Convert to fraction form
    54,109.51/81,172.99 = 16,669.57/x
  3. Step 3: Cross multiply
    54,109.51x = 81,172.99 × 16,669.57
  4. Step 4: Simplify right side
    54,109.51x = 1,353,118,838.91
  5. Step 5: Solve for x
    x = 1,353,118,838.91/54,109.51
  6. Step 6: Final answer
    x = 25,007.04

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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.