Home / 45,383.16-68,083.38-17,679

Finding the Fourth Proportional to 45,383.16, 68,083.38 and 17,679

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Solution

The fourth proportional to 45,383.16, 68,083.38 and 17,679 is: 26,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.16 : 68,083.38 = 17,679 : x
  2. Step 2: Convert to fraction form
    45,383.16/68,083.38 = 17,679/x
  3. Step 3: Cross multiply
    45,383.16x = 68,083.38 × 17,679
  4. Step 4: Simplify right side
    45,383.16x = 1,203,646,075.02
  5. Step 5: Solve for x
    x = 1,203,646,075.02/45,383.16
  6. Step 6: Final answer
    x = 26,521.87

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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.