Home / 66,450.24-91,703.52-39,597.12

Finding the Fourth Proportional to 66,450.24, 91,703.52 and 39,597.12

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Solution

The fourth proportional to 66,450.24, 91,703.52 and 39,597.12 is: 54,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,450.24 : 91,703.52 = 39,597.12 : x
  2. Step 2: Convert to fraction form
    66,450.24/91,703.52 = 39,597.12/x
  3. Step 3: Cross multiply
    66,450.24x = 91,703.52 × 39,597.12
  4. Step 4: Simplify right side
    66,450.24x = 3,631,195,285.86
  5. Step 5: Solve for x
    x = 3,631,195,285.86/66,450.24
  6. Step 6: Final answer
    x = 54,645.33

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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.