Home / 40,491.84-60,742.08-17,120.64

Finding the Fourth Proportional to 40,491.84, 60,742.08 and 17,120.64

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Solution

The fourth proportional to 40,491.84, 60,742.08 and 17,120.64 is: 25,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.84 : 60,742.08 = 17,120.64 : x
  2. Step 2: Convert to fraction form
    40,491.84/60,742.08 = 17,120.64/x
  3. Step 3: Cross multiply
    40,491.84x = 60,742.08 × 17,120.64
  4. Step 4: Simplify right side
    40,491.84x = 1,039,943,284.53
  5. Step 5: Solve for x
    x = 1,039,943,284.53/40,491.84
  6. Step 6: Final answer
    x = 25,682.79

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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.