Home / 43,420.20-65,098.80-29,345.40

Finding the Fourth Proportional to 43,420.20, 65,098.80 and 29,345.40

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Solution

The fourth proportional to 43,420.20, 65,098.80 and 29,345.40 is: 43,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,420.20 : 65,098.80 = 29,345.40 : x
  2. Step 2: Convert to fraction form
    43,420.20/65,098.80 = 29,345.40/x
  3. Step 3: Cross multiply
    43,420.20x = 65,098.80 × 29,345.40
  4. Step 4: Simplify right side
    43,420.20x = 1,910,350,325.52
  5. Step 5: Solve for x
    x = 1,910,350,325.52/43,420.20
  6. Step 6: Final answer
    x = 43,996.81

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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.