Home / 66,519.24-91,798.44-36,306.48

Finding the Fourth Proportional to 66,519.24, 91,798.44 and 36,306.48

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Solution

The fourth proportional to 66,519.24, 91,798.44 and 36,306.48 is: 50,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.24 : 91,798.44 = 36,306.48 : x
  2. Step 2: Convert to fraction form
    66,519.24/91,798.44 = 36,306.48/x
  3. Step 3: Cross multiply
    66,519.24x = 91,798.44 × 36,306.48
  4. Step 4: Simplify right side
    66,519.24x = 3,332,878,225.89
  5. Step 5: Solve for x
    x = 3,332,878,225.89/66,519.24
  6. Step 6: Final answer
    x = 50,103.97

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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.