Home / 66,338.38-91,548.61-36,125.36

Finding the Fourth Proportional to 66,338.38, 91,548.61 and 36,125.36

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Solution

The fourth proportional to 66,338.38, 91,548.61 and 36,125.36 is: 49,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.38 : 91,548.61 = 36,125.36 : x
  2. Step 2: Convert to fraction form
    66,338.38/91,548.61 = 36,125.36/x
  3. Step 3: Cross multiply
    66,338.38x = 91,548.61 × 36,125.36
  4. Step 4: Simplify right side
    66,338.38x = 3,307,226,289.00
  5. Step 5: Solve for x
    x = 3,307,226,289.00/66,338.38
  6. Step 6: Final answer
    x = 49,853.89

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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.