Home / 34,339.02-47,388.90-19,231.65

Finding the Fourth Proportional to 34,339.02, 47,388.90 and 19,231.65

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Solution

The fourth proportional to 34,339.02, 47,388.90 and 19,231.65 is: 26,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.02 : 47,388.90 = 19,231.65 : x
  2. Step 2: Convert to fraction form
    34,339.02/47,388.90 = 19,231.65/x
  3. Step 3: Cross multiply
    34,339.02x = 47,388.90 × 19,231.65
  4. Step 4: Simplify right side
    34,339.02x = 911,366,738.69
  5. Step 5: Solve for x
    x = 911,366,738.69/34,339.02
  6. Step 6: Final answer
    x = 26,540.27

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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.