Home / 34,339.21-47,389.15-19,231.83

Finding the Fourth Proportional to 34,339.21, 47,389.15 and 19,231.83

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Solution

The fourth proportional to 34,339.21, 47,389.15 and 19,231.83 is: 26,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.21 : 47,389.15 = 19,231.83 : x
  2. Step 2: Convert to fraction form
    34,339.21/47,389.15 = 19,231.83/x
  3. Step 3: Cross multiply
    34,339.21x = 47,389.15 × 19,231.83
  4. Step 4: Simplify right side
    34,339.21x = 911,380,100.68
  5. Step 5: Solve for x
    x = 911,380,100.68/34,339.21
  6. Step 6: Final answer
    x = 26,540.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.