Home / 23,171.11-34,770.78-21,289.07

Finding the Fourth Proportional to 23,171.11, 34,770.78 and 21,289.07

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Solution

The fourth proportional to 23,171.11, 34,770.78 and 21,289.07 is: 31,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.11 : 34,770.78 = 21,289.07 : x
  2. Step 2: Convert to fraction form
    23,171.11/34,770.78 = 21,289.07/x
  3. Step 3: Cross multiply
    23,171.11x = 34,770.78 × 21,289.07
  4. Step 4: Simplify right side
    23,171.11x = 740,237,656.30
  5. Step 5: Solve for x
    x = 740,237,656.30/23,171.11
  6. Step 6: Final answer
    x = 31,946.58

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1.5x scale

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.