Home / 30,567.04-45,845.31-8,077.97

Finding the Fourth Proportional to 30,567.04, 45,845.31 and 8,077.97

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Solution

The fourth proportional to 30,567.04, 45,845.31 and 8,077.97 is: 12,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.04 : 45,845.31 = 8,077.97 : x
  2. Step 2: Convert to fraction form
    30,567.04/45,845.31 = 8,077.97/x
  3. Step 3: Cross multiply
    30,567.04x = 45,845.31 × 8,077.97
  4. Step 4: Simplify right side
    30,567.04x = 370,336,769.20
  5. Step 5: Solve for x
    x = 370,336,769.20/30,567.04
  6. Step 6: Final answer
    x = 12,115.56

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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.