Home / 29,980.11-44,970.30-7,791.91

Finding the Fourth Proportional to 29,980.11, 44,970.30 and 7,791.91

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Solution

The fourth proportional to 29,980.11, 44,970.30 and 7,791.91 is: 11,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,980.11 : 44,970.30 = 7,791.91 : x
  2. Step 2: Convert to fraction form
    29,980.11/44,970.30 = 7,791.91/x
  3. Step 3: Cross multiply
    29,980.11x = 44,970.30 × 7,791.91
  4. Step 4: Simplify right side
    29,980.11x = 350,404,530.27
  5. Step 5: Solve for x
    x = 350,404,530.27/29,980.11
  6. Step 6: Final answer
    x = 11,687.90

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1.5x scale

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.