Home / 43,421.41-65,098.09-17,145.82

Finding the Fourth Proportional to 43,421.41, 65,098.09 and 17,145.82

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Solution

The fourth proportional to 43,421.41, 65,098.09 and 17,145.82 is: 25,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.41 : 65,098.09 = 17,145.82 : x
  2. Step 2: Convert to fraction form
    43,421.41/65,098.09 = 17,145.82/x
  3. Step 3: Cross multiply
    43,421.41x = 65,098.09 × 17,145.82
  4. Step 4: Simplify right side
    43,421.41x = 1,116,160,133.48
  5. Step 5: Solve for x
    x = 1,116,160,133.48/43,421.41
  6. Step 6: Final answer
    x = 25,705.29

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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.