Home / 33,205.60-49,808.40-31,520.80

Finding the Fourth Proportional to 33,205.60, 49,808.40 and 31,520.80

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Solution

The fourth proportional to 33,205.60, 49,808.40 and 31,520.80 is: 47,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.60 : 49,808.40 = 31,520.80 : x
  2. Step 2: Convert to fraction form
    33,205.60/49,808.40 = 31,520.80/x
  3. Step 3: Cross multiply
    33,205.60x = 49,808.40 × 31,520.80
  4. Step 4: Simplify right side
    33,205.60x = 1,570,000,614.72
  5. Step 5: Solve for x
    x = 1,570,000,614.72/33,205.60
  6. Step 6: Final answer
    x = 47,281.20

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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.