Home / 22,699.80-34,107.30-20,165.40

Finding the Fourth Proportional to 22,699.80, 34,107.30 and 20,165.40

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Solution

The fourth proportional to 22,699.80, 34,107.30 and 20,165.40 is: 30,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.80 : 34,107.30 = 20,165.40 : x
  2. Step 2: Convert to fraction form
    22,699.80/34,107.30 = 20,165.40/x
  3. Step 3: Cross multiply
    22,699.80x = 34,107.30 × 20,165.40
  4. Step 4: Simplify right side
    22,699.80x = 687,787,347.42
  5. Step 5: Solve for x
    x = 687,787,347.42/22,699.80
  6. Step 6: Final answer
    x = 30,299.27

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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.