Home / 47,102.09-70,652.14-13,821.41

Finding the Fourth Proportional to 47,102.09, 70,652.14 and 13,821.41

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Solution

The fourth proportional to 47,102.09, 70,652.14 and 13,821.41 is: 20,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.09 : 70,652.14 = 13,821.41 : x
  2. Step 2: Convert to fraction form
    47,102.09/70,652.14 = 13,821.41/x
  3. Step 3: Cross multiply
    47,102.09x = 70,652.14 × 13,821.41
  4. Step 4: Simplify right side
    47,102.09x = 976,512,336.39
  5. Step 5: Solve for x
    x = 976,512,336.39/47,102.09
  6. Step 6: Final answer
    x = 20,731.83

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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.