Home / 33,009.87-45,545.69-18,669.99

Finding the Fourth Proportional to 33,009.87, 45,545.69 and 18,669.99

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Solution

The fourth proportional to 33,009.87, 45,545.69 and 18,669.99 is: 25,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009.87 : 45,545.69 = 18,669.99 : x
  2. Step 2: Convert to fraction form
    33,009.87/45,545.69 = 18,669.99/x
  3. Step 3: Cross multiply
    33,009.87x = 45,545.69 × 18,669.99
  4. Step 4: Simplify right side
    33,009.87x = 850,337,576.84
  5. Step 5: Solve for x
    x = 850,337,576.84/33,009.87
  6. Step 6: Final answer
    x = 25,760.10

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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.