Home / 57,239.39-85,908.50-39,721.52

Finding the Fourth Proportional to 57,239.39, 85,908.50 and 39,721.52

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Solution

The fourth proportional to 57,239.39, 85,908.50 and 39,721.52 is: 59,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.39 : 85,908.50 = 39,721.52 : x
  2. Step 2: Convert to fraction form
    57,239.39/85,908.50 = 39,721.52/x
  3. Step 3: Cross multiply
    57,239.39x = 85,908.50 × 39,721.52
  4. Step 4: Simplify right side
    57,239.39x = 3,412,416,002.31
  5. Step 5: Solve for x
    x = 3,412,416,002.31/57,239.39
  6. Step 6: Final answer
    x = 59,616.57

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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.