Home / 47,147.26-70,626.19-21,811.28

Finding the Fourth Proportional to 47,147.26, 70,626.19 and 21,811.28

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Solution

The fourth proportional to 47,147.26, 70,626.19 and 21,811.28 is: 32,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.26 : 70,626.19 = 21,811.28 : x
  2. Step 2: Convert to fraction form
    47,147.26/70,626.19 = 21,811.28/x
  3. Step 3: Cross multiply
    47,147.26x = 70,626.19 × 21,811.28
  4. Step 4: Simplify right side
    47,147.26x = 1,540,447,605.42
  5. Step 5: Solve for x
    x = 1,540,447,605.42/47,147.26
  6. Step 6: Final answer
    x = 32,673.11

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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.