Home / 47,772.76-71,667.76-19,677.48

Finding the Fourth Proportional to 47,772.76, 71,667.76 and 19,677.48

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Solution

The fourth proportional to 47,772.76, 71,667.76 and 19,677.48 is: 29,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.76 : 71,667.76 = 19,677.48 : x
  2. Step 2: Convert to fraction form
    47,772.76/71,667.76 = 19,677.48/x
  3. Step 3: Cross multiply
    47,772.76x = 71,667.76 × 19,677.48
  4. Step 4: Simplify right side
    47,772.76x = 1,410,241,091.47
  5. Step 5: Solve for x
    x = 1,410,241,091.47/47,772.76
  6. Step 6: Final answer
    x = 29,519.77

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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.