Home / 66,844.42-92,236.54-39,977.13

Finding the Fourth Proportional to 66,844.42, 92,236.54 and 39,977.13

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Solution

The fourth proportional to 66,844.42, 92,236.54 and 39,977.13 is: 55,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.42 : 92,236.54 = 39,977.13 : x
  2. Step 2: Convert to fraction form
    66,844.42/92,236.54 = 39,977.13/x
  3. Step 3: Cross multiply
    66,844.42x = 92,236.54 × 39,977.13
  4. Step 4: Simplify right side
    66,844.42x = 3,687,352,150.33
  5. Step 5: Solve for x
    x = 3,687,352,150.33/66,844.42
  6. Step 6: Final answer
    x = 55,163.20

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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.