Home / 20,133.42-30,201.61-5,342.01

Finding the Fourth Proportional to 20,133.42, 30,201.61 and 5,342.01

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Solution

The fourth proportional to 20,133.42, 30,201.61 and 5,342.01 is: 8,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.42 : 30,201.61 = 5,342.01 : x
  2. Step 2: Convert to fraction form
    20,133.42/30,201.61 = 5,342.01/x
  3. Step 3: Cross multiply
    20,133.42x = 30,201.61 × 5,342.01
  4. Step 4: Simplify right side
    20,133.42x = 161,337,302.64
  5. Step 5: Solve for x
    x = 161,337,302.64/20,133.42
  6. Step 6: Final answer
    x = 8,013.41

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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.