Home / 66,965.28-92,409-36,749.84

Finding the Fourth Proportional to 66,965.28, 92,409 and 36,749.84

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Solution

The fourth proportional to 66,965.28, 92,409 and 36,749.84 is: 50,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,965.28 : 92,409 = 36,749.84 : x
  2. Step 2: Convert to fraction form
    66,965.28/92,409 = 36,749.84/x
  3. Step 3: Cross multiply
    66,965.28x = 92,409 × 36,749.84
  4. Step 4: Simplify right side
    66,965.28x = 3,396,015,964.56
  5. Step 5: Solve for x
    x = 3,396,015,964.56/66,965.28
  6. Step 6: Final answer
    x = 50,713.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.