Home / 66,279.18-91,467.24-36,066.66

Finding the Fourth Proportional to 66,279.18, 91,467.24 and 36,066.66

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Solution

The fourth proportional to 66,279.18, 91,467.24 and 36,066.66 is: 49,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,279.18 : 91,467.24 = 36,066.66 : x
  2. Step 2: Convert to fraction form
    66,279.18/91,467.24 = 36,066.66/x
  3. Step 3: Cross multiply
    66,279.18x = 91,467.24 × 36,066.66
  4. Step 4: Simplify right side
    66,279.18x = 3,298,917,846.22
  5. Step 5: Solve for x
    x = 3,298,917,846.22/66,279.18
  6. Step 6: Final answer
    x = 49,773.06

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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.