Home / 39,801.45-54,924.26-21,895.32

Finding the Fourth Proportional to 39,801.45, 54,924.26 and 21,895.32

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Solution

The fourth proportional to 39,801.45, 54,924.26 and 21,895.32 is: 30,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.45 : 54,924.26 = 21,895.32 : x
  2. Step 2: Convert to fraction form
    39,801.45/54,924.26 = 21,895.32/x
  3. Step 3: Cross multiply
    39,801.45x = 54,924.26 × 21,895.32
  4. Step 4: Simplify right side
    39,801.45x = 1,202,584,248.46
  5. Step 5: Solve for x
    x = 1,202,584,248.46/39,801.45
  6. Step 6: Final answer
    x = 30,214.58

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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.