Home / 66,981.37-92,429.21-36,761.89

Finding the Fourth Proportional to 66,981.37, 92,429.21 and 36,761.89

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Solution

The fourth proportional to 66,981.37, 92,429.21 and 36,761.89 is: 50,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,981.37 : 92,429.21 = 36,761.89 : x
  2. Step 2: Convert to fraction form
    66,981.37/92,429.21 = 36,761.89/x
  3. Step 3: Cross multiply
    66,981.37x = 92,429.21 × 36,761.89
  4. Step 4: Simplify right side
    66,981.37x = 3,397,871,804.85
  5. Step 5: Solve for x
    x = 3,397,871,804.85/66,981.37
  6. Step 6: Final answer
    x = 50,728.61

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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.