Home / 69,435.48-95,821.26-39,221.16

Finding the Fourth Proportional to 69,435.48, 95,821.26 and 39,221.16

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Solution

The fourth proportional to 69,435.48, 95,821.26 and 39,221.16 is: 54,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,435.48 : 95,821.26 = 39,221.16 : x
  2. Step 2: Convert to fraction form
    69,435.48/95,821.26 = 39,221.16/x
  3. Step 3: Cross multiply
    69,435.48x = 95,821.26 × 39,221.16
  4. Step 4: Simplify right side
    69,435.48x = 3,758,220,969.86
  5. Step 5: Solve for x
    x = 3,758,220,969.86/69,435.48
  6. Step 6: Final answer
    x = 54,125.37

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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.