Home / 66,848.18-92,247.78-39,974.84

Finding the Fourth Proportional to 66,848.18, 92,247.78 and 39,974.84

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Solution

The fourth proportional to 66,848.18, 92,247.78 and 39,974.84 is: 55,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,848.18 : 92,247.78 = 39,974.84 : x
  2. Step 2: Convert to fraction form
    66,848.18/92,247.78 = 39,974.84/x
  3. Step 3: Cross multiply
    66,848.18x = 92,247.78 × 39,974.84
  4. Step 4: Simplify right side
    66,848.18x = 3,687,590,245.86
  5. Step 5: Solve for x
    x = 3,687,590,245.86/66,848.18
  6. Step 6: Final answer
    x = 55,163.66

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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.