Home / 71,039.82-98,035.15-38,774.73

Finding the Fourth Proportional to 71,039.82, 98,035.15 and 38,774.73

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Solution

The fourth proportional to 71,039.82, 98,035.15 and 38,774.73 is: 53,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,039.82 : 98,035.15 = 38,774.73 : x
  2. Step 2: Convert to fraction form
    71,039.82/98,035.15 = 38,774.73/x
  3. Step 3: Cross multiply
    71,039.82x = 98,035.15 × 38,774.73
  4. Step 4: Simplify right side
    71,039.82x = 3,801,286,471.76
  5. Step 5: Solve for x
    x = 3,801,286,471.76/71,039.82
  6. Step 6: Final answer
    x = 53,509.24

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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.