Home / 50,621.87-69,862.01-29,118.20

Finding the Fourth Proportional to 50,621.87, 69,862.01 and 29,118.20

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Solution

The fourth proportional to 50,621.87, 69,862.01 and 29,118.20 is: 40,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621.87 : 69,862.01 = 29,118.20 : x
  2. Step 2: Convert to fraction form
    50,621.87/69,862.01 = 29,118.20/x
  3. Step 3: Cross multiply
    50,621.87x = 69,862.01 × 29,118.20
  4. Step 4: Simplify right side
    50,621.87x = 2,034,255,623.87
  5. Step 5: Solve for x
    x = 2,034,255,623.87/50,621.87
  6. Step 6: Final answer
    x = 40,185.31

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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.