Home / 67,064.32-100,618.32-31,999.44

Finding the Fourth Proportional to 67,064.32, 100,618.32 and 31,999.44

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Solution

The fourth proportional to 67,064.32, 100,618.32 and 31,999.44 is: 48,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,064.32 : 100,618.32 = 31,999.44 : x
  2. Step 2: Convert to fraction form
    67,064.32/100,618.32 = 31,999.44/x
  3. Step 3: Cross multiply
    67,064.32x = 100,618.32 × 31,999.44
  4. Step 4: Simplify right side
    67,064.32x = 3,219,729,893.74
  5. Step 5: Solve for x
    x = 3,219,729,893.74/67,064.32
  6. Step 6: Final answer
    x = 48,009.58

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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.