Home / 66,883.35-92,301.94-40,020.72

Finding the Fourth Proportional to 66,883.35, 92,301.94 and 40,020.72

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Solution

The fourth proportional to 66,883.35, 92,301.94 and 40,020.72 is: 55,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883.35 : 92,301.94 = 40,020.72 : x
  2. Step 2: Convert to fraction form
    66,883.35/92,301.94 = 40,020.72/x
  3. Step 3: Cross multiply
    66,883.35x = 92,301.94 × 40,020.72
  4. Step 4: Simplify right side
    66,883.35x = 3,693,990,096.20
  5. Step 5: Solve for x
    x = 3,693,990,096.20/66,883.35
  6. Step 6: Final answer
    x = 55,230.34

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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.