Home / 71,559.58-98,752.44-39,728.56

Finding the Fourth Proportional to 71,559.58, 98,752.44 and 39,728.56

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Solution

The fourth proportional to 71,559.58, 98,752.44 and 39,728.56 is: 54,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,559.58 : 98,752.44 = 39,728.56 : x
  2. Step 2: Convert to fraction form
    71,559.58/98,752.44 = 39,728.56/x
  3. Step 3: Cross multiply
    71,559.58x = 98,752.44 × 39,728.56
  4. Step 4: Simplify right side
    71,559.58x = 3,923,292,237.69
  5. Step 5: Solve for x
    x = 3,923,292,237.69/71,559.58
  6. Step 6: Final answer
    x = 54,825.53

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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.