Home / 47,728.88-71,593.32-12,667.63

Finding the Fourth Proportional to 47,728.88, 71,593.32 and 12,667.63

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Solution

The fourth proportional to 47,728.88, 71,593.32 and 12,667.63 is: 19,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.88 : 71,593.32 = 12,667.63 : x
  2. Step 2: Convert to fraction form
    47,728.88/71,593.32 = 12,667.63/x
  3. Step 3: Cross multiply
    47,728.88x = 71,593.32 × 12,667.63
  4. Step 4: Simplify right side
    47,728.88x = 906,917,330.27
  5. Step 5: Solve for x
    x = 906,917,330.27/47,728.88
  6. Step 6: Final answer
    x = 19,001.44

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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.