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Finding the Fourth Proportional to 50,044, 69,062.88 and 27,688

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Solution

The fourth proportional to 50,044, 69,062.88 and 27,688 is: 38,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,044 : 69,062.88 = 27,688 : x
  2. Step 2: Convert to fraction form
    50,044/69,062.88 = 27,688/x
  3. Step 3: Cross multiply
    50,044x = 69,062.88 × 27,688
  4. Step 4: Simplify right side
    50,044x = 1,912,213,021.44
  5. Step 5: Solve for x
    x = 1,912,213,021.44/50,044
  6. Step 6: Final answer
    x = 38,210.64

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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.