Home / 39,470.48-54,468.62-21,565.10

Finding the Fourth Proportional to 39,470.48, 54,468.62 and 21,565.10

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Solution

The fourth proportional to 39,470.48, 54,468.62 and 21,565.10 is: 29,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.48 : 54,468.62 = 21,565.10 : x
  2. Step 2: Convert to fraction form
    39,470.48/54,468.62 = 21,565.10/x
  3. Step 3: Cross multiply
    39,470.48x = 54,468.62 × 21,565.10
  4. Step 4: Simplify right side
    39,470.48x = 1,174,621,183.25
  5. Step 5: Solve for x
    x = 1,174,621,183.25/39,470.48
  6. Step 6: Final answer
    x = 29,759.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.