Home / 45,356.16-67,964.88-19,046.52

Finding the Fourth Proportional to 45,356.16, 67,964.88 and 19,046.52

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Solution

The fourth proportional to 45,356.16, 67,964.88 and 19,046.52 is: 28,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.16 : 67,964.88 = 19,046.52 : x
  2. Step 2: Convert to fraction form
    45,356.16/67,964.88 = 19,046.52/x
  3. Step 3: Cross multiply
    45,356.16x = 67,964.88 × 19,046.52
  4. Step 4: Simplify right side
    45,356.16x = 1,294,494,446.22
  5. Step 5: Solve for x
    x = 1,294,494,446.22/45,356.16
  6. Step 6: Final answer
    x = 28,540.65

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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.