Home / 66,956.16-100,441.92-20,211.84

Finding the Fourth Proportional to 66,956.16, 100,441.92 and 20,211.84

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Solution

The fourth proportional to 66,956.16, 100,441.92 and 20,211.84 is: 30,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.16 : 100,441.92 = 20,211.84 : x
  2. Step 2: Convert to fraction form
    66,956.16/100,441.92 = 20,211.84/x
  3. Step 3: Cross multiply
    66,956.16x = 100,441.92 × 20,211.84
  4. Step 4: Simplify right side
    66,956.16x = 2,030,116,016.33
  5. Step 5: Solve for x
    x = 2,030,116,016.33/66,956.16
  6. Step 6: Final answer
    x = 30,320.08

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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.