Home / 57,243.39-85,914.50-39,725.52

Finding the Fourth Proportional to 57,243.39, 85,914.50 and 39,725.52

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Solution

The fourth proportional to 57,243.39, 85,914.50 and 39,725.52 is: 59,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243.39 : 85,914.50 = 39,725.52 : x
  2. Step 2: Convert to fraction form
    57,243.39/85,914.50 = 39,725.52/x
  3. Step 3: Cross multiply
    57,243.39x = 85,914.50 × 39,725.52
  4. Step 4: Simplify right side
    57,243.39x = 3,412,997,989.41
  5. Step 5: Solve for x
    x = 3,412,997,989.41/57,243.39
  6. Step 6: Final answer
    x = 59,622.57

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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.