Home / 40,729.08-61,108.74-13,029.24

Finding the Fourth Proportional to 40,729.08, 61,108.74 and 13,029.24

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Solution

The fourth proportional to 40,729.08, 61,108.74 and 13,029.24 is: 19,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.08 : 61,108.74 = 13,029.24 : x
  2. Step 2: Convert to fraction form
    40,729.08/61,108.74 = 13,029.24/x
  3. Step 3: Cross multiply
    40,729.08x = 61,108.74 × 13,029.24
  4. Step 4: Simplify right side
    40,729.08x = 796,200,439.56
  5. Step 5: Solve for x
    x = 796,200,439.56/40,729.08
  6. Step 6: Final answer
    x = 19,548.70

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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.