Home / 74,986.20-112,481.10-22,397.40

Finding the Fourth Proportional to 74,986.20, 112,481.10 and 22,397.40

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Solution

The fourth proportional to 74,986.20, 112,481.10 and 22,397.40 is: 33,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,986.20 : 112,481.10 = 22,397.40 : x
  2. Step 2: Convert to fraction form
    74,986.20/112,481.10 = 22,397.40/x
  3. Step 3: Cross multiply
    74,986.20x = 112,481.10 × 22,397.40
  4. Step 4: Simplify right side
    74,986.20x = 2,519,284,189.14
  5. Step 5: Solve for x
    x = 2,519,284,189.14/74,986.20
  6. Step 6: Final answer
    x = 33,596.64

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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.