Home / 50,129.63-69,178.88-29,987.36

Finding the Fourth Proportional to 50,129.63, 69,178.88 and 29,987.36

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Solution

The fourth proportional to 50,129.63, 69,178.88 and 29,987.36 is: 41,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,129.63 : 69,178.88 = 29,987.36 : x
  2. Step 2: Convert to fraction form
    50,129.63/69,178.88 = 29,987.36/x
  3. Step 3: Cross multiply
    50,129.63x = 69,178.88 × 29,987.36
  4. Step 4: Simplify right side
    50,129.63x = 2,074,491,708.03
  5. Step 5: Solve for x
    x = 2,074,491,708.03/50,129.63
  6. Step 6: Final answer
    x = 41,382.55

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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.