Home / 49,865.40-74,781.90-16,579.80

Finding the Fourth Proportional to 49,865.40, 74,781.90 and 16,579.80

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Solution

The fourth proportional to 49,865.40, 74,781.90 and 16,579.80 is: 24,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,865.40 : 74,781.90 = 16,579.80 : x
  2. Step 2: Convert to fraction form
    49,865.40/74,781.90 = 16,579.80/x
  3. Step 3: Cross multiply
    49,865.40x = 74,781.90 × 16,579.80
  4. Step 4: Simplify right side
    49,865.40x = 1,239,868,945.62
  5. Step 5: Solve for x
    x = 1,239,868,945.62/49,865.40
  6. Step 6: Final answer
    x = 24,864.31

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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.