Home / 71,419.44-98,562.12-39,588.36

Finding the Fourth Proportional to 71,419.44, 98,562.12 and 39,588.36

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Solution

The fourth proportional to 71,419.44, 98,562.12 and 39,588.36 is: 54,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,419.44 : 98,562.12 = 39,588.36 : x
  2. Step 2: Convert to fraction form
    71,419.44/98,562.12 = 39,588.36/x
  3. Step 3: Cross multiply
    71,419.44x = 98,562.12 × 39,588.36
  4. Step 4: Simplify right side
    71,419.44x = 3,901,912,688.92
  5. Step 5: Solve for x
    x = 3,901,912,688.92/71,419.44
  6. Step 6: Final answer
    x = 54,633.76

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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.