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Finding the Fourth Proportional to 50,928.88, 76,398.54 and 17,648.92

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Solution

The fourth proportional to 50,928.88, 76,398.54 and 17,648.92 is: 26,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.88 : 76,398.54 = 17,648.92 : x
  2. Step 2: Convert to fraction form
    50,928.88/76,398.54 = 17,648.92/x
  3. Step 3: Cross multiply
    50,928.88x = 76,398.54 × 17,648.92
  4. Step 4: Simplify right side
    50,928.88x = 1,348,351,720.58
  5. Step 5: Solve for x
    x = 1,348,351,720.58/50,928.88
  6. Step 6: Final answer
    x = 26,475.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.