Home / 20,019.88-30,033.60-8,334.04

Finding the Fourth Proportional to 20,019.88, 30,033.60 and 8,334.04

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Solution

The fourth proportional to 20,019.88, 30,033.60 and 8,334.04 is: 12,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.88 : 30,033.60 = 8,334.04 : x
  2. Step 2: Convert to fraction form
    20,019.88/30,033.60 = 8,334.04/x
  3. Step 3: Cross multiply
    20,019.88x = 30,033.60 × 8,334.04
  4. Step 4: Simplify right side
    20,019.88x = 250,301,223.74
  5. Step 5: Solve for x
    x = 250,301,223.74/20,019.88
  6. Step 6: Final answer
    x = 12,502.63

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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.