Home / 50,548.91-75,769.98-18,938.31

Finding the Fourth Proportional to 50,548.91, 75,769.98 and 18,938.31

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Solution

The fourth proportional to 50,548.91, 75,769.98 and 18,938.31 is: 28,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,548.91 : 75,769.98 = 18,938.31 : x
  2. Step 2: Convert to fraction form
    50,548.91/75,769.98 = 18,938.31/x
  3. Step 3: Cross multiply
    50,548.91x = 75,769.98 × 18,938.31
  4. Step 4: Simplify right side
    50,548.91x = 1,434,955,369.93
  5. Step 5: Solve for x
    x = 1,434,955,369.93/50,548.91
  6. Step 6: Final answer
    x = 28,387.47

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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.