Home / 66,727.44-92,117.19-38,427.66

Finding the Fourth Proportional to 66,727.44, 92,117.19 and 38,427.66

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Solution

The fourth proportional to 66,727.44, 92,117.19 and 38,427.66 is: 53,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727.44 : 92,117.19 = 38,427.66 : x
  2. Step 2: Convert to fraction form
    66,727.44/92,117.19 = 38,427.66/x
  3. Step 3: Cross multiply
    66,727.44x = 92,117.19 × 38,427.66
  4. Step 4: Simplify right side
    66,727.44x = 3,539,848,057.48
  5. Step 5: Solve for x
    x = 3,539,848,057.48/66,727.44
  6. Step 6: Final answer
    x = 53,049.36

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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.