Home / 34,205.12-47,203.26-20,058.20

Finding the Fourth Proportional to 34,205.12, 47,203.26 and 20,058.20

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Solution

The fourth proportional to 34,205.12, 47,203.26 and 20,058.20 is: 27,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205.12 : 47,203.26 = 20,058.20 : x
  2. Step 2: Convert to fraction form
    34,205.12/47,203.26 = 20,058.20/x
  3. Step 3: Cross multiply
    34,205.12x = 47,203.26 × 20,058.20
  4. Step 4: Simplify right side
    34,205.12x = 946,812,429.73
  5. Step 5: Solve for x
    x = 946,812,429.73/34,205.12
  6. Step 6: Final answer
    x = 27,680.43

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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.