Home / 53,181.11-73,391.47-29,309.32

Finding the Fourth Proportional to 53,181.11, 73,391.47 and 29,309.32

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Solution

The fourth proportional to 53,181.11, 73,391.47 and 29,309.32 is: 40,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.11 : 73,391.47 = 29,309.32 : x
  2. Step 2: Convert to fraction form
    53,181.11/73,391.47 = 29,309.32/x
  3. Step 3: Cross multiply
    53,181.11x = 73,391.47 × 29,309.32
  4. Step 4: Simplify right side
    53,181.11x = 2,151,053,891.55
  5. Step 5: Solve for x
    x = 2,151,053,891.55/53,181.11
  6. Step 6: Final answer
    x = 40,447.71

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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.