Home / 61,118.21-84,384.38-38,183.11

Finding the Fourth Proportional to 61,118.21, 84,384.38 and 38,183.11

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Solution

The fourth proportional to 61,118.21, 84,384.38 and 38,183.11 is: 52,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,118.21 : 84,384.38 = 38,183.11 : x
  2. Step 2: Convert to fraction form
    61,118.21/84,384.38 = 38,183.11/x
  3. Step 3: Cross multiply
    61,118.21x = 84,384.38 × 38,183.11
  4. Step 4: Simplify right side
    61,118.21x = 3,222,058,422.98
  5. Step 5: Solve for x
    x = 3,222,058,422.98/61,118.21
  6. Step 6: Final answer
    x = 52,718.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.