Home / 47,438.97-71,150.39-15,845.45

Finding the Fourth Proportional to 47,438.97, 71,150.39 and 15,845.45

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Solution

The fourth proportional to 47,438.97, 71,150.39 and 15,845.45 is: 23,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.97 : 71,150.39 = 15,845.45 : x
  2. Step 2: Convert to fraction form
    47,438.97/71,150.39 = 15,845.45/x
  3. Step 3: Cross multiply
    47,438.97x = 71,150.39 × 15,845.45
  4. Step 4: Simplify right side
    47,438.97x = 1,127,409,512.25
  5. Step 5: Solve for x
    x = 1,127,409,512.25/47,438.97
  6. Step 6: Final answer
    x = 23,765.47

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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.