Home / 66,301.82-91,493.69-36,087.20

Finding the Fourth Proportional to 66,301.82, 91,493.69 and 36,087.20

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Solution

The fourth proportional to 66,301.82, 91,493.69 and 36,087.20 is: 49,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.82 : 91,493.69 = 36,087.20 : x
  2. Step 2: Convert to fraction form
    66,301.82/91,493.69 = 36,087.20/x
  3. Step 3: Cross multiply
    66,301.82x = 91,493.69 × 36,087.20
  4. Step 4: Simplify right side
    66,301.82x = 3,301,750,451.86
  5. Step 5: Solve for x
    x = 3,301,750,451.86/66,301.82
  6. Step 6: Final answer
    x = 49,798.79

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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.