Home / 38,289.48-57,433.77-13,329.42

Finding the Fourth Proportional to 38,289.48, 57,433.77 and 13,329.42

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Solution

The fourth proportional to 38,289.48, 57,433.77 and 13,329.42 is: 19,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.48 : 57,433.77 = 13,329.42 : x
  2. Step 2: Convert to fraction form
    38,289.48/57,433.77 = 13,329.42/x
  3. Step 3: Cross multiply
    38,289.48x = 57,433.77 × 13,329.42
  4. Step 4: Simplify right side
    38,289.48x = 765,558,842.51
  5. Step 5: Solve for x
    x = 765,558,842.51/38,289.48
  6. Step 6: Final answer
    x = 19,993.97

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1.5x scale

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.