Home / 66,071.00-91,178.46-37,390.73

Finding the Fourth Proportional to 66,071.00, 91,178.46 and 37,390.73

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Solution

The fourth proportional to 66,071.00, 91,178.46 and 37,390.73 is: 51,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.00 : 91,178.46 = 37,390.73 : x
  2. Step 2: Convert to fraction form
    66,071.00/91,178.46 = 37,390.73/x
  3. Step 3: Cross multiply
    66,071.00x = 91,178.46 × 37,390.73
  4. Step 4: Simplify right side
    66,071.00x = 3,409,228,723.78
  5. Step 5: Solve for x
    x = 3,409,228,723.78/66,071.00
  6. Step 6: Final answer
    x = 51,599.47

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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.