Home / 66,546.24-91,853.76-39,707.52

Finding the Fourth Proportional to 66,546.24, 91,853.76 and 39,707.52

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Solution

The fourth proportional to 66,546.24, 91,853.76 and 39,707.52 is: 54,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,546.24 : 91,853.76 = 39,707.52 : x
  2. Step 2: Convert to fraction form
    66,546.24/91,853.76 = 39,707.52/x
  3. Step 3: Cross multiply
    66,546.24x = 91,853.76 × 39,707.52
  4. Step 4: Simplify right side
    66,546.24x = 3,647,285,012.28
  5. Step 5: Solve for x
    x = 3,647,285,012.28/66,546.24
  6. Step 6: Final answer
    x = 54,808.28

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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.