Home / 36,984.20-55,476.30-31,130.60

Finding the Fourth Proportional to 36,984.20, 55,476.30 and 31,130.60

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Solution

The fourth proportional to 36,984.20, 55,476.30 and 31,130.60 is: 46,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,984.20 : 55,476.30 = 31,130.60 : x
  2. Step 2: Convert to fraction form
    36,984.20/55,476.30 = 31,130.60/x
  3. Step 3: Cross multiply
    36,984.20x = 55,476.30 × 31,130.60
  4. Step 4: Simplify right side
    36,984.20x = 1,727,010,504.78
  5. Step 5: Solve for x
    x = 1,727,010,504.78/36,984.20
  6. Step 6: Final answer
    x = 46,695.90

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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.