Home / 50,641.72-75,939.50-21,041.90

Finding the Fourth Proportional to 50,641.72, 75,939.50 and 21,041.90

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Solution

The fourth proportional to 50,641.72, 75,939.50 and 21,041.90 is: 31,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,641.72 : 75,939.50 = 21,041.90 : x
  2. Step 2: Convert to fraction form
    50,641.72/75,939.50 = 21,041.90/x
  3. Step 3: Cross multiply
    50,641.72x = 75,939.50 × 21,041.90
  4. Step 4: Simplify right side
    50,641.72x = 1,597,911,365.05
  5. Step 5: Solve for x
    x = 1,597,911,365.05/50,641.72
  6. Step 6: Final answer
    x = 31,553.26

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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.