Home / 22,017.40-32,939.70-19,943.80

Finding the Fourth Proportional to 22,017.40, 32,939.70 and 19,943.80

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Solution

The fourth proportional to 22,017.40, 32,939.70 and 19,943.80 is: 29,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.40 : 32,939.70 = 19,943.80 : x
  2. Step 2: Convert to fraction form
    22,017.40/32,939.70 = 19,943.80/x
  3. Step 3: Cross multiply
    22,017.40x = 32,939.70 × 19,943.80
  4. Step 4: Simplify right side
    22,017.40x = 656,942,788.86
  5. Step 5: Solve for x
    x = 656,942,788.86/22,017.40
  6. Step 6: Final answer
    x = 29,837.44

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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.