Home / 39,550.62-54,579.84-21,645.63

Finding the Fourth Proportional to 39,550.62, 54,579.84 and 21,645.63

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Solution

The fourth proportional to 39,550.62, 54,579.84 and 21,645.63 is: 29,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,550.62 : 54,579.84 = 21,645.63 : x
  2. Step 2: Convert to fraction form
    39,550.62/54,579.84 = 21,645.63/x
  3. Step 3: Cross multiply
    39,550.62x = 54,579.84 × 21,645.63
  4. Step 4: Simplify right side
    39,550.62x = 1,181,415,022.10
  5. Step 5: Solve for x
    x = 1,181,415,022.10/39,550.62
  6. Step 6: Final answer
    x = 29,870.96

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1.5x scale

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.