Home / 66,212.99-91,375.73-36,000.35

Finding the Fourth Proportional to 66,212.99, 91,375.73 and 36,000.35

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Solution

The fourth proportional to 66,212.99, 91,375.73 and 36,000.35 is: 49,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.99 : 91,375.73 = 36,000.35 : x
  2. Step 2: Convert to fraction form
    66,212.99/91,375.73 = 36,000.35/x
  3. Step 3: Cross multiply
    66,212.99x = 91,375.73 × 36,000.35
  4. Step 4: Simplify right side
    66,212.99x = 3,289,557,624.63
  5. Step 5: Solve for x
    x = 3,289,557,624.63/66,212.99
  6. Step 6: Final answer
    x = 49,681.45

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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.