Home / 22,180.80-33,222.60-19,718.40

Finding the Fourth Proportional to 22,180.80, 33,222.60 and 19,718.40

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Solution

The fourth proportional to 22,180.80, 33,222.60 and 19,718.40 is: 29,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.80 : 33,222.60 = 19,718.40 : x
  2. Step 2: Convert to fraction form
    22,180.80/33,222.60 = 19,718.40/x
  3. Step 3: Cross multiply
    22,180.80x = 33,222.60 × 19,718.40
  4. Step 4: Simplify right side
    22,180.80x = 655,096,515.84
  5. Step 5: Solve for x
    x = 655,096,515.84/22,180.80
  6. Step 6: Final answer
    x = 29,534.40

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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.