Home / 43,184.32-64,771-15,103.24

Finding the Fourth Proportional to 43,184.32, 64,771 and 15,103.24

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Solution

The fourth proportional to 43,184.32, 64,771 and 15,103.24 is: 22,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,184.32 : 64,771 = 15,103.24 : x
  2. Step 2: Convert to fraction form
    43,184.32/64,771 = 15,103.24/x
  3. Step 3: Cross multiply
    43,184.32x = 64,771 × 15,103.24
  4. Step 4: Simplify right side
    43,184.32x = 978,251,958.04
  5. Step 5: Solve for x
    x = 978,251,958.04/43,184.32
  6. Step 6: Final answer
    x = 22,652.94

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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.