Home / 45,491.93-68,276.24-19,215.53

Finding the Fourth Proportional to 45,491.93, 68,276.24 and 19,215.53

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Solution

The fourth proportional to 45,491.93, 68,276.24 and 19,215.53 is: 28,839.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.93 : 68,276.24 = 19,215.53 : x
  2. Step 2: Convert to fraction form
    45,491.93/68,276.24 = 19,215.53/x
  3. Step 3: Cross multiply
    45,491.93x = 68,276.24 × 19,215.53
  4. Step 4: Simplify right side
    45,491.93x = 1,311,964,041.93
  5. Step 5: Solve for x
    x = 1,311,964,041.93/45,491.93
  6. Step 6: Final answer
    x = 28,839.49

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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.