Home / 36,310.80-54,320.40-31,434.60

Finding the Fourth Proportional to 36,310.80, 54,320.40 and 31,434.60

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Solution

The fourth proportional to 36,310.80, 54,320.40 and 31,434.60 is: 47,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.80 : 54,320.40 = 31,434.60 : x
  2. Step 2: Convert to fraction form
    36,310.80/54,320.40 = 31,434.60/x
  3. Step 3: Cross multiply
    36,310.80x = 54,320.40 × 31,434.60
  4. Step 4: Simplify right side
    36,310.80x = 1,707,540,045.84
  5. Step 5: Solve for x
    x = 1,707,540,045.84/36,310.80
  6. Step 6: Final answer
    x = 47,025.68

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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.