Home / 49,410.72-74,102.82-13,869.90

Finding the Fourth Proportional to 49,410.72, 74,102.82 and 13,869.90

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Solution

The fourth proportional to 49,410.72, 74,102.82 and 13,869.90 is: 20,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.72 : 74,102.82 = 13,869.90 : x
  2. Step 2: Convert to fraction form
    49,410.72/74,102.82 = 13,869.90/x
  3. Step 3: Cross multiply
    49,410.72x = 74,102.82 × 13,869.90
  4. Step 4: Simplify right side
    49,410.72x = 1,027,798,703.12
  5. Step 5: Solve for x
    x = 1,027,798,703.12/49,410.72
  6. Step 6: Final answer
    x = 20,801.13

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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.