Home / 50,621.06-69,857.07-28,265.06

Finding the Fourth Proportional to 50,621.06, 69,857.07 and 28,265.06

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Solution

The fourth proportional to 50,621.06, 69,857.07 and 28,265.06 is: 39,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621.06 : 69,857.07 = 28,265.06 : x
  2. Step 2: Convert to fraction form
    50,621.06/69,857.07 = 28,265.06/x
  3. Step 3: Cross multiply
    50,621.06x = 69,857.07 × 28,265.06
  4. Step 4: Simplify right side
    50,621.06x = 1,974,514,343.62
  5. Step 5: Solve for x
    x = 1,974,514,343.62/50,621.06
  6. Step 6: Final answer
    x = 39,005.79

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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.