Home / 39,318.61-58,919.58-28,879.33

Finding the Fourth Proportional to 39,318.61, 58,919.58 and 28,879.33

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Solution

The fourth proportional to 39,318.61, 58,919.58 and 28,879.33 is: 43,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.61 : 58,919.58 = 28,879.33 : x
  2. Step 2: Convert to fraction form
    39,318.61/58,919.58 = 28,879.33/x
  3. Step 3: Cross multiply
    39,318.61x = 58,919.58 × 28,879.33
  4. Step 4: Simplify right side
    39,318.61x = 1,701,557,710.52
  5. Step 5: Solve for x
    x = 1,701,557,710.52/39,318.61
  6. Step 6: Final answer
    x = 43,276.14

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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.