Home / 40,852.11-61,247.05-21,118.08

Finding the Fourth Proportional to 40,852.11, 61,247.05 and 21,118.08

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Solution

The fourth proportional to 40,852.11, 61,247.05 and 21,118.08 is: 31,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,852.11 : 61,247.05 = 21,118.08 : x
  2. Step 2: Convert to fraction form
    40,852.11/61,247.05 = 21,118.08/x
  3. Step 3: Cross multiply
    40,852.11x = 61,247.05 × 21,118.08
  4. Step 4: Simplify right side
    40,852.11x = 1,293,420,101.66
  5. Step 5: Solve for x
    x = 1,293,420,101.66/40,852.11
  6. Step 6: Final answer
    x = 31,661.04

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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.