Home / 34,266.11-47,287.55-20,119.19

Finding the Fourth Proportional to 34,266.11, 47,287.55 and 20,119.19

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Solution

The fourth proportional to 34,266.11, 47,287.55 and 20,119.19 is: 27,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.11 : 47,287.55 = 20,119.19 : x
  2. Step 2: Convert to fraction form
    34,266.11/47,287.55 = 20,119.19/x
  3. Step 3: Cross multiply
    34,266.11x = 47,287.55 × 20,119.19
  4. Step 4: Simplify right side
    34,266.11x = 951,387,016.94
  5. Step 5: Solve for x
    x = 951,387,016.94/34,266.11
  6. Step 6: Final answer
    x = 27,764.67

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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.