Home / 40,284.96-60,406.68-18,079.29

Finding the Fourth Proportional to 40,284.96, 60,406.68 and 18,079.29

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Solution

The fourth proportional to 40,284.96, 60,406.68 and 18,079.29 is: 27,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.96 : 60,406.68 = 18,079.29 : x
  2. Step 2: Convert to fraction form
    40,284.96/60,406.68 = 18,079.29/x
  3. Step 3: Cross multiply
    40,284.96x = 60,406.68 × 18,079.29
  4. Step 4: Simplify right side
    40,284.96x = 1,092,109,885.66
  5. Step 5: Solve for x
    x = 1,092,109,885.66/40,284.96
  6. Step 6: Final answer
    x = 27,109.62

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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.