Home / 66,619.54-91,931.04-36,398.84

Finding the Fourth Proportional to 66,619.54, 91,931.04 and 36,398.84

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Solution

The fourth proportional to 66,619.54, 91,931.04 and 36,398.84 is: 50,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.54 : 91,931.04 = 36,398.84 : x
  2. Step 2: Convert to fraction form
    66,619.54/91,931.04 = 36,398.84/x
  3. Step 3: Cross multiply
    66,619.54x = 91,931.04 × 36,398.84
  4. Step 4: Simplify right side
    66,619.54x = 3,346,183,034.00
  5. Step 5: Solve for x
    x = 3,346,183,034.00/66,619.54
  6. Step 6: Final answer
    x = 50,228.26

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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.