Home / 47,392.96-71,089.23-19,306.75

Finding the Fourth Proportional to 47,392.96, 71,089.23 and 19,306.75

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Solution

The fourth proportional to 47,392.96, 71,089.23 and 19,306.75 is: 28,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.96 : 71,089.23 = 19,306.75 : x
  2. Step 2: Convert to fraction form
    47,392.96/71,089.23 = 19,306.75/x
  3. Step 3: Cross multiply
    47,392.96x = 71,089.23 × 19,306.75
  4. Step 4: Simplify right side
    47,392.96x = 1,372,501,991.30
  5. Step 5: Solve for x
    x = 1,372,501,991.30/47,392.96
  6. Step 6: Final answer
    x = 28,960.04

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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.