Home / 52,142.09-71,959.77-29,481.30

Finding the Fourth Proportional to 52,142.09, 71,959.77 and 29,481.30

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Solution

The fourth proportional to 52,142.09, 71,959.77 and 29,481.30 is: 40,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.09 : 71,959.77 = 29,481.30 : x
  2. Step 2: Convert to fraction form
    52,142.09/71,959.77 = 29,481.30/x
  3. Step 3: Cross multiply
    52,142.09x = 71,959.77 × 29,481.30
  4. Step 4: Simplify right side
    52,142.09x = 2,121,467,567.30
  5. Step 5: Solve for x
    x = 2,121,467,567.30/52,142.09
  6. Step 6: Final answer
    x = 40,686.28

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1.5x scale

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.