Home / 34,254.50-47,286.59-20,108.25

Finding the Fourth Proportional to 34,254.50, 47,286.59 and 20,108.25

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Solution

The fourth proportional to 34,254.50, 47,286.59 and 20,108.25 is: 27,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,254.50 : 47,286.59 = 20,108.25 : x
  2. Step 2: Convert to fraction form
    34,254.50/47,286.59 = 20,108.25/x
  3. Step 3: Cross multiply
    34,254.50x = 47,286.59 × 20,108.25
  4. Step 4: Simplify right side
    34,254.50x = 950,850,472.83
  5. Step 5: Solve for x
    x = 950,850,472.83/34,254.50
  6. Step 6: Final answer
    x = 27,758.41

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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.