Home / 39,752.64-54,858.66-21,847.50

Finding the Fourth Proportional to 39,752.64, 54,858.66 and 21,847.50

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Solution

The fourth proportional to 39,752.64, 54,858.66 and 21,847.50 is: 30,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.64 : 54,858.66 = 21,847.50 : x
  2. Step 2: Convert to fraction form
    39,752.64/54,858.66 = 21,847.50/x
  3. Step 3: Cross multiply
    39,752.64x = 54,858.66 × 21,847.50
  4. Step 4: Simplify right side
    39,752.64x = 1,198,524,574.35
  5. Step 5: Solve for x
    x = 1,198,524,574.35/39,752.64
  6. Step 6: Final answer
    x = 30,149.56

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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.