Home / 34,909.38-48,171.28-19,797.20

Finding the Fourth Proportional to 34,909.38, 48,171.28 and 19,797.20

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Solution

The fourth proportional to 34,909.38, 48,171.28 and 19,797.20 is: 27,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,909.38 : 48,171.28 = 19,797.20 : x
  2. Step 2: Convert to fraction form
    34,909.38/48,171.28 = 19,797.20/x
  3. Step 3: Cross multiply
    34,909.38x = 48,171.28 × 19,797.20
  4. Step 4: Simplify right side
    34,909.38x = 953,656,464.42
  5. Step 5: Solve for x
    x = 953,656,464.42/34,909.38
  6. Step 6: Final answer
    x = 27,318.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.