Home / 66,633.32-99,900.56-40,331.82

Finding the Fourth Proportional to 66,633.32, 99,900.56 and 40,331.82

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Solution

The fourth proportional to 66,633.32, 99,900.56 and 40,331.82 is: 60,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.32 : 99,900.56 = 40,331.82 : x
  2. Step 2: Convert to fraction form
    66,633.32/99,900.56 = 40,331.82/x
  3. Step 3: Cross multiply
    66,633.32x = 99,900.56 × 40,331.82
  4. Step 4: Simplify right side
    66,633.32x = 4,029,171,403.82
  5. Step 5: Solve for x
    x = 4,029,171,403.82/66,633.32
  6. Step 6: Final answer
    x = 60,467.82

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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.