Home / 66,920.02-100,394.88-20,169.52

Finding the Fourth Proportional to 66,920.02, 100,394.88 and 20,169.52

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Solution

The fourth proportional to 66,920.02, 100,394.88 and 20,169.52 is: 30,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,920.02 : 100,394.88 = 20,169.52 : x
  2. Step 2: Convert to fraction form
    66,920.02/100,394.88 = 20,169.52/x
  3. Step 3: Cross multiply
    66,920.02x = 100,394.88 × 20,169.52
  4. Step 4: Simplify right side
    66,920.02x = 2,024,916,540.06
  5. Step 5: Solve for x
    x = 2,024,916,540.06/66,920.02
  6. Step 6: Final answer
    x = 30,258.76

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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.