Home / 39,150.24-58,734-11,448.48

Finding the Fourth Proportional to 39,150.24, 58,734 and 11,448.48

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Solution

The fourth proportional to 39,150.24, 58,734 and 11,448.48 is: 17,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.24 : 58,734 = 11,448.48 : x
  2. Step 2: Convert to fraction form
    39,150.24/58,734 = 11,448.48/x
  3. Step 3: Cross multiply
    39,150.24x = 58,734 × 11,448.48
  4. Step 4: Simplify right side
    39,150.24x = 672,415,024.32
  5. Step 5: Solve for x
    x = 672,415,024.32/39,150.24
  6. Step 6: Final answer
    x = 17,175.25

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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.