Home / 66,885.44-92,309.57-38,209.61

Finding the Fourth Proportional to 66,885.44, 92,309.57 and 38,209.61

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Solution

The fourth proportional to 66,885.44, 92,309.57 and 38,209.61 is: 52,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.44 : 92,309.57 = 38,209.61 : x
  2. Step 2: Convert to fraction form
    66,885.44/92,309.57 = 38,209.61/x
  3. Step 3: Cross multiply
    66,885.44x = 92,309.57 × 38,209.61
  4. Step 4: Simplify right side
    66,885.44x = 3,527,112,016.37
  5. Step 5: Solve for x
    x = 3,527,112,016.37/66,885.44
  6. Step 6: Final answer
    x = 52,733.63

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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.