Home / 43,175.36-64,778.51-15,103.13

Finding the Fourth Proportional to 43,175.36, 64,778.51 and 15,103.13

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Solution

The fourth proportional to 43,175.36, 64,778.51 and 15,103.13 is: 22,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,175.36 : 64,778.51 = 15,103.13 : x
  2. Step 2: Convert to fraction form
    43,175.36/64,778.51 = 15,103.13/x
  3. Step 3: Cross multiply
    43,175.36x = 64,778.51 × 15,103.13
  4. Step 4: Simplify right side
    43,175.36x = 978,357,971.60
  5. Step 5: Solve for x
    x = 978,357,971.60/43,175.36
  6. Step 6: Final answer
    x = 22,660.10

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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.