Home / 50,118.90-69,164.06-29,975.78

Finding the Fourth Proportional to 50,118.90, 69,164.06 and 29,975.78

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Solution

The fourth proportional to 50,118.90, 69,164.06 and 29,975.78 is: 41,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,118.90 : 69,164.06 = 29,975.78 : x
  2. Step 2: Convert to fraction form
    50,118.90/69,164.06 = 29,975.78/x
  3. Step 3: Cross multiply
    50,118.90x = 69,164.06 × 29,975.78
  4. Step 4: Simplify right side
    50,118.90x = 2,073,246,838.11
  5. Step 5: Solve for x
    x = 2,073,246,838.11/50,118.90
  6. Step 6: Final answer
    x = 41,366.57

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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.