Home / 43,356.12-65,029.51-29,405.70

Finding the Fourth Proportional to 43,356.12, 65,029.51 and 29,405.70

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Solution

The fourth proportional to 43,356.12, 65,029.51 and 29,405.70 is: 44,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.12 : 65,029.51 = 29,405.70 : x
  2. Step 2: Convert to fraction form
    43,356.12/65,029.51 = 29,405.70/x
  3. Step 3: Cross multiply
    43,356.12x = 65,029.51 × 29,405.70
  4. Step 4: Simplify right side
    43,356.12x = 1,912,238,262.21
  5. Step 5: Solve for x
    x = 1,912,238,262.21/43,356.12
  6. Step 6: Final answer
    x = 44,105.38

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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.