Home / 34,266.36-47,287.90-20,119.44

Finding the Fourth Proportional to 34,266.36, 47,287.90 and 20,119.44

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Solution

The fourth proportional to 34,266.36, 47,287.90 and 20,119.44 is: 27,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.36 : 47,287.90 = 20,119.44 : x
  2. Step 2: Convert to fraction form
    34,266.36/47,287.90 = 20,119.44/x
  3. Step 3: Cross multiply
    34,266.36x = 47,287.90 × 20,119.44
  4. Step 4: Simplify right side
    34,266.36x = 951,406,066.78
  5. Step 5: Solve for x
    x = 951,406,066.78/34,266.36
  6. Step 6: Final answer
    x = 27,765.02

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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.