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Finding the Fourth Proportional to 50,238, 69,328.44 and 27,886.32

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Solution

The fourth proportional to 50,238, 69,328.44 and 27,886.32 is: 38,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,238 : 69,328.44 = 27,886.32 : x
  2. Step 2: Convert to fraction form
    50,238/69,328.44 = 27,886.32/x
  3. Step 3: Cross multiply
    50,238x = 69,328.44 × 27,886.32
  4. Step 4: Simplify right side
    50,238x = 1,933,315,062.94
  5. Step 5: Solve for x
    x = 1,933,315,062.94/50,238
  6. Step 6: Final answer
    x = 38,483.12

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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.