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Finding the Fourth Proportional to 50,616.57, 69,849.53 and 27,955.08

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Solution

The fourth proportional to 50,616.57, 69,849.53 and 27,955.08 is: 38,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,616.57 : 69,849.53 = 27,955.08 : x
  2. Step 2: Convert to fraction form
    50,616.57/69,849.53 = 27,955.08/x
  3. Step 3: Cross multiply
    50,616.57x = 69,849.53 × 27,955.08
  4. Step 4: Simplify right side
    50,616.57x = 1,952,649,199.11
  5. Step 5: Solve for x
    x = 1,952,649,199.11/50,616.57
  6. Step 6: Final answer
    x = 38,577.27

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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.