Home / 84,662.28-126,993.69-21,482.46

Finding the Fourth Proportional to 84,662.28, 126,993.69 and 21,482.46

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Solution

The fourth proportional to 84,662.28, 126,993.69 and 21,482.46 is: 32,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,662.28 : 126,993.69 = 21,482.46 : x
  2. Step 2: Convert to fraction form
    84,662.28/126,993.69 = 21,482.46/x
  3. Step 3: Cross multiply
    84,662.28x = 126,993.69 × 21,482.46
  4. Step 4: Simplify right side
    84,662.28x = 2,728,136,865.68
  5. Step 5: Solve for x
    x = 2,728,136,865.68/84,662.28
  6. Step 6: Final answer
    x = 32,223.76

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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.