Home / 34,291.71-47,291.76-21,546.09

Finding the Fourth Proportional to 34,291.71, 47,291.76 and 21,546.09

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Solution

The fourth proportional to 34,291.71, 47,291.76 and 21,546.09 is: 29,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.71 : 47,291.76 = 21,546.09 : x
  2. Step 2: Convert to fraction form
    34,291.71/47,291.76 = 21,546.09/x
  3. Step 3: Cross multiply
    34,291.71x = 47,291.76 × 21,546.09
  4. Step 4: Simplify right side
    34,291.71x = 1,018,952,517.22
  5. Step 5: Solve for x
    x = 1,018,952,517.22/34,291.71
  6. Step 6: Final answer
    x = 29,714.25

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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.