Home / 39,801.10-54,925.98-22,805

Finding the Fourth Proportional to 39,801.10, 54,925.98 and 22,805

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Solution

The fourth proportional to 39,801.10, 54,925.98 and 22,805 is: 31,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.10 : 54,925.98 = 22,805 : x
  2. Step 2: Convert to fraction form
    39,801.10/54,925.98 = 22,805/x
  3. Step 3: Cross multiply
    39,801.10x = 54,925.98 × 22,805
  4. Step 4: Simplify right side
    39,801.10x = 1,252,586,859.88
  5. Step 5: Solve for x
    x = 1,252,586,859.88/39,801.10
  6. Step 6: Final answer
    x = 31,471.16

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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.