Home / 49,421.25-74,123.54-13,874.42

Finding the Fourth Proportional to 49,421.25, 74,123.54 and 13,874.42

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Solution

The fourth proportional to 49,421.25, 74,123.54 and 13,874.42 is: 20,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.25 : 74,123.54 = 13,874.42 : x
  2. Step 2: Convert to fraction form
    49,421.25/74,123.54 = 13,874.42/x
  3. Step 3: Cross multiply
    49,421.25x = 74,123.54 × 13,874.42
  4. Step 4: Simplify right side
    49,421.25x = 1,028,420,685.86
  5. Step 5: Solve for x
    x = 1,028,420,685.86/49,421.25
  6. Step 6: Final answer
    x = 20,809.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.