Home / 50,085.36-69,120.12-27,729.84

Finding the Fourth Proportional to 50,085.36, 69,120.12 and 27,729.84

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Solution

The fourth proportional to 50,085.36, 69,120.12 and 27,729.84 is: 38,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,085.36 : 69,120.12 = 27,729.84 : x
  2. Step 2: Convert to fraction form
    50,085.36/69,120.12 = 27,729.84/x
  3. Step 3: Cross multiply
    50,085.36x = 69,120.12 × 27,729.84
  4. Step 4: Simplify right side
    50,085.36x = 1,916,689,868.38
  5. Step 5: Solve for x
    x = 1,916,689,868.38/50,085.36
  6. Step 6: Final answer
    x = 38,268.47

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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.