Home / 50,029.77-69,042.71-28,519.12

Finding the Fourth Proportional to 50,029.77, 69,042.71 and 28,519.12

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Solution

The fourth proportional to 50,029.77, 69,042.71 and 28,519.12 is: 39,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,029.77 : 69,042.71 = 28,519.12 : x
  2. Step 2: Convert to fraction form
    50,029.77/69,042.71 = 28,519.12/x
  3. Step 3: Cross multiply
    50,029.77x = 69,042.71 × 28,519.12
  4. Step 4: Simplify right side
    50,029.77x = 1,969,037,489.22
  5. Step 5: Solve for x
    x = 1,969,037,489.22/50,029.77
  6. Step 6: Final answer
    x = 39,357.32

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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.