Home / 34,101.82-47,062.88-20,673.64

Finding the Fourth Proportional to 34,101.82, 47,062.88 and 20,673.64

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Solution

The fourth proportional to 34,101.82, 47,062.88 and 20,673.64 is: 28,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.82 : 47,062.88 = 20,673.64 : x
  2. Step 2: Convert to fraction form
    34,101.82/47,062.88 = 20,673.64/x
  3. Step 3: Cross multiply
    34,101.82x = 47,062.88 × 20,673.64
  4. Step 4: Simplify right side
    34,101.82x = 972,960,986.80
  5. Step 5: Solve for x
    x = 972,960,986.80/34,101.82
  6. Step 6: Final answer
    x = 28,531.06

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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.