Home / 43,353.42-65,029.14-19,979.85

Finding the Fourth Proportional to 43,353.42, 65,029.14 and 19,979.85

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Solution

The fourth proportional to 43,353.42, 65,029.14 and 19,979.85 is: 29,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,353.42 : 65,029.14 = 19,979.85 : x
  2. Step 2: Convert to fraction form
    43,353.42/65,029.14 = 19,979.85/x
  3. Step 3: Cross multiply
    43,353.42x = 65,029.14 × 19,979.85
  4. Step 4: Simplify right side
    43,353.42x = 1,299,272,462.83
  5. Step 5: Solve for x
    x = 1,299,272,462.83/43,353.42
  6. Step 6: Final answer
    x = 29,969.32

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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.