Home / 20,730.52-31,094.92-5,938.84

Finding the Fourth Proportional to 20,730.52, 31,094.92 and 5,938.84

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Solution

The fourth proportional to 20,730.52, 31,094.92 and 5,938.84 is: 8,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730.52 : 31,094.92 = 5,938.84 : x
  2. Step 2: Convert to fraction form
    20,730.52/31,094.92 = 5,938.84/x
  3. Step 3: Cross multiply
    20,730.52x = 31,094.92 × 5,938.84
  4. Step 4: Simplify right side
    20,730.52x = 184,667,754.69
  5. Step 5: Solve for x
    x = 184,667,754.69/20,730.52
  6. Step 6: Final answer
    x = 8,908.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.