Home / 34,379.79-47,444.29-20,049.56

Finding the Fourth Proportional to 34,379.79, 47,444.29 and 20,049.56

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Solution

The fourth proportional to 34,379.79, 47,444.29 and 20,049.56 is: 27,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,379.79 : 47,444.29 = 20,049.56 : x
  2. Step 2: Convert to fraction form
    34,379.79/47,444.29 = 20,049.56/x
  3. Step 3: Cross multiply
    34,379.79x = 47,444.29 × 20,049.56
  4. Step 4: Simplify right side
    34,379.79x = 951,237,207.50
  5. Step 5: Solve for x
    x = 951,237,207.50/34,379.79
  6. Step 6: Final answer
    x = 27,668.50

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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.