Home / 39,765.20-54,877.44-22,772.08

Finding the Fourth Proportional to 39,765.20, 54,877.44 and 22,772.08

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Solution

The fourth proportional to 39,765.20, 54,877.44 and 22,772.08 is: 31,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.20 : 54,877.44 = 22,772.08 : x
  2. Step 2: Convert to fraction form
    39,765.20/54,877.44 = 22,772.08/x
  3. Step 3: Cross multiply
    39,765.20x = 54,877.44 × 22,772.08
  4. Step 4: Simplify right side
    39,765.20x = 1,249,673,453.88
  5. Step 5: Solve for x
    x = 1,249,673,453.88/39,765.20
  6. Step 6: Final answer
    x = 31,426.31

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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.