Home / 66,729.44-92,119.96-38,429.66

Finding the Fourth Proportional to 66,729.44, 92,119.96 and 38,429.66

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Solution

The fourth proportional to 66,729.44, 92,119.96 and 38,429.66 is: 53,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,729.44 : 92,119.96 = 38,429.66 : x
  2. Step 2: Convert to fraction form
    66,729.44/92,119.96 = 38,429.66/x
  3. Step 3: Cross multiply
    66,729.44x = 92,119.96 × 38,429.66
  4. Step 4: Simplify right side
    66,729.44x = 3,540,138,742.01
  5. Step 5: Solve for x
    x = 3,540,138,742.01/66,729.44
  6. Step 6: Final answer
    x = 53,052.13

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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.