Home / 66,550.23-91,838.79-36,335.12

Finding the Fourth Proportional to 66,550.23, 91,838.79 and 36,335.12

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Solution

The fourth proportional to 66,550.23, 91,838.79 and 36,335.12 is: 50,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,550.23 : 91,838.79 = 36,335.12 : x
  2. Step 2: Convert to fraction form
    66,550.23/91,838.79 = 36,335.12/x
  3. Step 3: Cross multiply
    66,550.23x = 91,838.79 × 36,335.12
  4. Step 4: Simplify right side
    66,550.23x = 3,336,972,996.11
  5. Step 5: Solve for x
    x = 3,336,972,996.11/66,550.23
  6. Step 6: Final answer
    x = 50,142.17

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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.