Home / 20,158.49-30,237.70-5,367.41

Finding the Fourth Proportional to 20,158.49, 30,237.70 and 5,367.41

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Solution

The fourth proportional to 20,158.49, 30,237.70 and 5,367.41 is: 8,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.49 : 30,237.70 = 5,367.41 : x
  2. Step 2: Convert to fraction form
    20,158.49/30,237.70 = 5,367.41/x
  3. Step 3: Cross multiply
    20,158.49x = 30,237.70 × 5,367.41
  4. Step 4: Simplify right side
    20,158.49x = 162,298,133.36
  5. Step 5: Solve for x
    x = 162,298,133.36/20,158.49
  6. Step 6: Final answer
    x = 8,051.11

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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.