Home / 22,119.54-33,178.50-5,479.62

Finding the Fourth Proportional to 22,119.54, 33,178.50 and 5,479.62

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Solution

The fourth proportional to 22,119.54, 33,178.50 and 5,479.62 is: 8,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.54 : 33,178.50 = 5,479.62 : x
  2. Step 2: Convert to fraction form
    22,119.54/33,178.50 = 5,479.62/x
  3. Step 3: Cross multiply
    22,119.54x = 33,178.50 × 5,479.62
  4. Step 4: Simplify right side
    22,119.54x = 181,805,572.17
  5. Step 5: Solve for x
    x = 181,805,572.17/22,119.54
  6. Step 6: Final answer
    x = 8,219.23

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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.