Home / 31,922.40-47,770.20-27,807.60

Finding the Fourth Proportional to 31,922.40, 47,770.20 and 27,807.60

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Solution

The fourth proportional to 31,922.40, 47,770.20 and 27,807.60 is: 41,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.40 : 47,770.20 = 27,807.60 : x
  2. Step 2: Convert to fraction form
    31,922.40/47,770.20 = 27,807.60/x
  3. Step 3: Cross multiply
    31,922.40x = 47,770.20 × 27,807.60
  4. Step 4: Simplify right side
    31,922.40x = 1,328,374,613.52
  5. Step 5: Solve for x
    x = 1,328,374,613.52/31,922.40
  6. Step 6: Final answer
    x = 41,612.62

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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.