Home / 29,029.08-43,512.80-18,465.87

Finding the Fourth Proportional to 29,029.08, 43,512.80 and 18,465.87

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Solution

The fourth proportional to 29,029.08, 43,512.80 and 18,465.87 is: 27,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,029.08 : 43,512.80 = 18,465.87 : x
  2. Step 2: Convert to fraction form
    29,029.08/43,512.80 = 18,465.87/x
  3. Step 3: Cross multiply
    29,029.08x = 43,512.80 × 18,465.87
  4. Step 4: Simplify right side
    29,029.08x = 803,501,778.98
  5. Step 5: Solve for x
    x = 803,501,778.98/29,029.08
  6. Step 6: Final answer
    x = 27,679.20

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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.