Home / 47,173.56-70,735.95-13,889.31

Finding the Fourth Proportional to 47,173.56, 70,735.95 and 13,889.31

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Solution

The fourth proportional to 47,173.56, 70,735.95 and 13,889.31 is: 20,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,173.56 : 70,735.95 = 13,889.31 : x
  2. Step 2: Convert to fraction form
    47,173.56/70,735.95 = 13,889.31/x
  3. Step 3: Cross multiply
    47,173.56x = 70,735.95 × 13,889.31
  4. Step 4: Simplify right side
    47,173.56x = 982,473,537.69
  5. Step 5: Solve for x
    x = 982,473,537.69/47,173.56
  6. Step 6: Final answer
    x = 20,826.78

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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.