Home / 51,144.46-70,670.90-39,843.15

Finding the Fourth Proportional to 51,144.46, 70,670.90 and 39,843.15

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Solution

The fourth proportional to 51,144.46, 70,670.90 and 39,843.15 is: 55,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.46 : 70,670.90 = 39,843.15 : x
  2. Step 2: Convert to fraction form
    51,144.46/70,670.90 = 39,843.15/x
  3. Step 3: Cross multiply
    51,144.46x = 70,670.90 × 39,843.15
  4. Step 4: Simplify right side
    51,144.46x = 2,815,751,269.34
  5. Step 5: Solve for x
    x = 2,815,751,269.34/51,144.46
  6. Step 6: Final answer
    x = 55,054.86

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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.