Home / 66,428.04-91,670.66-36,620.04

Finding the Fourth Proportional to 66,428.04, 91,670.66 and 36,620.04

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Solution

The fourth proportional to 66,428.04, 91,670.66 and 36,620.04 is: 50,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428.04 : 91,670.66 = 36,620.04 : x
  2. Step 2: Convert to fraction form
    66,428.04/91,670.66 = 36,620.04/x
  3. Step 3: Cross multiply
    66,428.04x = 91,670.66 × 36,620.04
  4. Step 4: Simplify right side
    66,428.04x = 3,356,983,236.03
  5. Step 5: Solve for x
    x = 3,356,983,236.03/66,428.04
  6. Step 6: Final answer
    x = 50,535.64

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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.