Home / 31,766.40-47,625.60-16,195.20

Finding the Fourth Proportional to 31,766.40, 47,625.60 and 16,195.20

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Solution

The fourth proportional to 31,766.40, 47,625.60 and 16,195.20 is: 24,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.40 : 47,625.60 = 16,195.20 : x
  2. Step 2: Convert to fraction form
    31,766.40/47,625.60 = 16,195.20/x
  3. Step 3: Cross multiply
    31,766.40x = 47,625.60 × 16,195.20
  4. Step 4: Simplify right side
    31,766.40x = 771,306,117.12
  5. Step 5: Solve for x
    x = 771,306,117.12/31,766.40
  6. Step 6: Final answer
    x = 24,280.56

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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.