Home / 66,004.12-91,080.04-37,704.28

Finding the Fourth Proportional to 66,004.12, 91,080.04 and 37,704.28

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Solution

The fourth proportional to 66,004.12, 91,080.04 and 37,704.28 is: 52,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.12 : 91,080.04 = 37,704.28 : x
  2. Step 2: Convert to fraction form
    66,004.12/91,080.04 = 37,704.28/x
  3. Step 3: Cross multiply
    66,004.12x = 91,080.04 × 37,704.28
  4. Step 4: Simplify right side
    66,004.12x = 3,434,107,330.57
  5. Step 5: Solve for x
    x = 3,434,107,330.57/66,004.12
  6. Step 6: Final answer
    x = 52,028.68

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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.