Home / 47,255.42-70,834.44-20,972.54

Finding the Fourth Proportional to 47,255.42, 70,834.44 and 20,972.54

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Solution

The fourth proportional to 47,255.42, 70,834.44 and 20,972.54 is: 31,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.42 : 70,834.44 = 20,972.54 : x
  2. Step 2: Convert to fraction form
    47,255.42/70,834.44 = 20,972.54/x
  3. Step 3: Cross multiply
    47,255.42x = 70,834.44 × 20,972.54
  4. Step 4: Simplify right side
    47,255.42x = 1,485,578,126.28
  5. Step 5: Solve for x
    x = 1,485,578,126.28/47,255.42
  6. Step 6: Final answer
    x = 31,437.20

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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.