Home / 47,736.80-71,615.52-18,155.19

Finding the Fourth Proportional to 47,736.80, 71,615.52 and 18,155.19

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Solution

The fourth proportional to 47,736.80, 71,615.52 and 18,155.19 is: 27,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,736.80 : 71,615.52 = 18,155.19 : x
  2. Step 2: Convert to fraction form
    47,736.80/71,615.52 = 18,155.19/x
  3. Step 3: Cross multiply
    47,736.80x = 71,615.52 × 18,155.19
  4. Step 4: Simplify right side
    47,736.80x = 1,300,193,372.55
  5. Step 5: Solve for x
    x = 1,300,193,372.55/47,736.80
  6. Step 6: Final answer
    x = 27,236.71

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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.