Home / 67,034.82-100,399.14-31,999.08

Finding the Fourth Proportional to 67,034.82, 100,399.14 and 31,999.08

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Solution

The fourth proportional to 67,034.82, 100,399.14 and 31,999.08 is: 47,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,034.82 : 100,399.14 = 31,999.08 : x
  2. Step 2: Convert to fraction form
    67,034.82/100,399.14 = 31,999.08/x
  3. Step 3: Cross multiply
    67,034.82x = 100,399.14 × 31,999.08
  4. Step 4: Simplify right side
    67,034.82x = 3,212,680,112.79
  5. Step 5: Solve for x
    x = 3,212,680,112.79/67,034.82
  6. Step 6: Final answer
    x = 47,925.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.