Home / 31,825.98-47,739.11-10,766.18

Finding the Fourth Proportional to 31,825.98, 47,739.11 and 10,766.18

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Solution

The fourth proportional to 31,825.98, 47,739.11 and 10,766.18 is: 16,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825.98 : 47,739.11 = 10,766.18 : x
  2. Step 2: Convert to fraction form
    31,825.98/47,739.11 = 10,766.18/x
  3. Step 3: Cross multiply
    31,825.98x = 47,739.11 × 10,766.18
  4. Step 4: Simplify right side
    31,825.98x = 513,967,916.82
  5. Step 5: Solve for x
    x = 513,967,916.82/31,825.98
  6. Step 6: Final answer
    x = 16,149.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.