Home / 34,179.88-47,155.60-20,027.56

Finding the Fourth Proportional to 34,179.88, 47,155.60 and 20,027.56

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Solution

The fourth proportional to 34,179.88, 47,155.60 and 20,027.56 is: 27,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.88 : 47,155.60 = 20,027.56 : x
  2. Step 2: Convert to fraction form
    34,179.88/47,155.60 = 20,027.56/x
  3. Step 3: Cross multiply
    34,179.88x = 47,155.60 × 20,027.56
  4. Step 4: Simplify right side
    34,179.88x = 944,411,608.34
  5. Step 5: Solve for x
    x = 944,411,608.34/34,179.88
  6. Step 6: Final answer
    x = 27,630.63

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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.