Home / 39,147.30-58,704.51-12,837.54

Finding the Fourth Proportional to 39,147.30, 58,704.51 and 12,837.54

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Solution

The fourth proportional to 39,147.30, 58,704.51 and 12,837.54 is: 19,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.30 : 58,704.51 = 12,837.54 : x
  2. Step 2: Convert to fraction form
    39,147.30/58,704.51 = 12,837.54/x
  3. Step 3: Cross multiply
    39,147.30x = 58,704.51 × 12,837.54
  4. Step 4: Simplify right side
    39,147.30x = 753,621,495.31
  5. Step 5: Solve for x
    x = 753,621,495.31/39,147.30
  6. Step 6: Final answer
    x = 19,250.92

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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.