Home / 40,910.77-61,291.99-18,742.69

Finding the Fourth Proportional to 40,910.77, 61,291.99 and 18,742.69

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Solution

The fourth proportional to 40,910.77, 61,291.99 and 18,742.69 is: 28,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.77 : 61,291.99 = 18,742.69 : x
  2. Step 2: Convert to fraction form
    40,910.77/61,291.99 = 18,742.69/x
  3. Step 3: Cross multiply
    40,910.77x = 61,291.99 × 18,742.69
  4. Step 4: Simplify right side
    40,910.77x = 1,148,776,768.05
  5. Step 5: Solve for x
    x = 1,148,776,768.05/40,910.77
  6. Step 6: Final answer
    x = 28,080.06

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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.