Home / 40,321.60-60,474.50-38,321.26

Finding the Fourth Proportional to 40,321.60, 60,474.50 and 38,321.26

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Solution

The fourth proportional to 40,321.60, 60,474.50 and 38,321.26 is: 57,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.60 : 60,474.50 = 38,321.26 : x
  2. Step 2: Convert to fraction form
    40,321.60/60,474.50 = 38,321.26/x
  3. Step 3: Cross multiply
    40,321.60x = 60,474.50 × 38,321.26
  4. Step 4: Simplify right side
    40,321.60x = 2,317,459,037.87
  5. Step 5: Solve for x
    x = 2,317,459,037.87/40,321.60
  6. Step 6: Final answer
    x = 57,474.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.