Home / 47,034.21-70,572.92-20,388.33

Finding the Fourth Proportional to 47,034.21, 70,572.92 and 20,388.33

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Solution

The fourth proportional to 47,034.21, 70,572.92 and 20,388.33 is: 30,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,034.21 : 70,572.92 = 20,388.33 : x
  2. Step 2: Convert to fraction form
    47,034.21/70,572.92 = 20,388.33/x
  3. Step 3: Cross multiply
    47,034.21x = 70,572.92 × 20,388.33
  4. Step 4: Simplify right side
    47,034.21x = 1,438,863,880.08
  5. Step 5: Solve for x
    x = 1,438,863,880.08/47,034.21
  6. Step 6: Final answer
    x = 30,591.86

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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.