Home / 50,657.20-75,939.36-19,468.96

Finding the Fourth Proportional to 50,657.20, 75,939.36 and 19,468.96

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Solution

The fourth proportional to 50,657.20, 75,939.36 and 19,468.96 is: 29,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,657.20 : 75,939.36 = 19,468.96 : x
  2. Step 2: Convert to fraction form
    50,657.20/75,939.36 = 19,468.96/x
  3. Step 3: Cross multiply
    50,657.20x = 75,939.36 × 19,468.96
  4. Step 4: Simplify right side
    50,657.20x = 1,478,460,362.27
  5. Step 5: Solve for x
    x = 1,478,460,362.27/50,657.20
  6. Step 6: Final answer
    x = 29,185.59

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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.