Home / 74,336.20-111,504.30-39,344.20

Finding the Fourth Proportional to 74,336.20, 111,504.30 and 39,344.20

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Solution

The fourth proportional to 74,336.20, 111,504.30 and 39,344.20 is: 59,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,336.20 : 111,504.30 = 39,344.20 : x
  2. Step 2: Convert to fraction form
    74,336.20/111,504.30 = 39,344.20/x
  3. Step 3: Cross multiply
    74,336.20x = 111,504.30 × 39,344.20
  4. Step 4: Simplify right side
    74,336.20x = 4,387,047,480.06
  5. Step 5: Solve for x
    x = 4,387,047,480.06/74,336.20
  6. Step 6: Final answer
    x = 59,016.30

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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.