Home / 34,261.11-47,280.96-20,832.93

Finding the Fourth Proportional to 34,261.11, 47,280.96 and 20,832.93

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Solution

The fourth proportional to 34,261.11, 47,280.96 and 20,832.93 is: 28,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,261.11 : 47,280.96 = 20,832.93 : x
  2. Step 2: Convert to fraction form
    34,261.11/47,280.96 = 20,832.93/x
  3. Step 3: Cross multiply
    34,261.11x = 47,280.96 × 20,832.93
  4. Step 4: Simplify right side
    34,261.11x = 985,000,930.01
  5. Step 5: Solve for x
    x = 985,000,930.01/34,261.11
  6. Step 6: Final answer
    x = 28,749.83

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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.