Home / 34,647.16-47,813.10-18,731.73

Finding the Fourth Proportional to 34,647.16, 47,813.10 and 18,731.73

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Solution

The fourth proportional to 34,647.16, 47,813.10 and 18,731.73 is: 25,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.16 : 47,813.10 = 18,731.73 : x
  2. Step 2: Convert to fraction form
    34,647.16/47,813.10 = 18,731.73/x
  3. Step 3: Cross multiply
    34,647.16x = 47,813.10 × 18,731.73
  4. Step 4: Simplify right side
    34,647.16x = 895,622,079.66
  5. Step 5: Solve for x
    x = 895,622,079.66/34,647.16
  6. Step 6: Final answer
    x = 25,849.80

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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.