Home / 43,101.12-64,599.36-18,131.52

Finding the Fourth Proportional to 43,101.12, 64,599.36 and 18,131.52

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Solution

The fourth proportional to 43,101.12, 64,599.36 and 18,131.52 is: 27,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.12 : 64,599.36 = 18,131.52 : x
  2. Step 2: Convert to fraction form
    43,101.12/64,599.36 = 18,131.52/x
  3. Step 3: Cross multiply
    43,101.12x = 64,599.36 × 18,131.52
  4. Step 4: Simplify right side
    43,101.12x = 1,171,284,587.83
  5. Step 5: Solve for x
    x = 1,171,284,587.83/43,101.12
  6. Step 6: Final answer
    x = 27,175.27

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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.