Home / 45,389.16-68,092.38-17,685

Finding the Fourth Proportional to 45,389.16, 68,092.38 and 17,685

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Solution

The fourth proportional to 45,389.16, 68,092.38 and 17,685 is: 26,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.16 : 68,092.38 = 17,685 : x
  2. Step 2: Convert to fraction form
    45,389.16/68,092.38 = 17,685/x
  3. Step 3: Cross multiply
    45,389.16x = 68,092.38 × 17,685
  4. Step 4: Simplify right side
    45,389.16x = 1,204,213,740.30
  5. Step 5: Solve for x
    x = 1,204,213,740.30/45,389.16
  6. Step 6: Final answer
    x = 26,530.87

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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.