Home / 45,747.77-68,582.16-17,687.48

Finding the Fourth Proportional to 45,747.77, 68,582.16 and 17,687.48

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Solution

The fourth proportional to 45,747.77, 68,582.16 and 17,687.48 is: 26,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,747.77 : 68,582.16 = 17,687.48 : x
  2. Step 2: Convert to fraction form
    45,747.77/68,582.16 = 17,687.48/x
  3. Step 3: Cross multiply
    45,747.77x = 68,582.16 × 17,687.48
  4. Step 4: Simplify right side
    45,747.77x = 1,213,045,240.45
  5. Step 5: Solve for x
    x = 1,213,045,240.45/45,747.77
  6. Step 6: Final answer
    x = 26,515.95

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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.