Home / 47,941.44-71,868-20,224.32

Finding the Fourth Proportional to 47,941.44, 71,868 and 20,224.32

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Solution

The fourth proportional to 47,941.44, 71,868 and 20,224.32 is: 30,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.44 : 71,868 = 20,224.32 : x
  2. Step 2: Convert to fraction form
    47,941.44/71,868 = 20,224.32/x
  3. Step 3: Cross multiply
    47,941.44x = 71,868 × 20,224.32
  4. Step 4: Simplify right side
    47,941.44x = 1,453,481,429.76
  5. Step 5: Solve for x
    x = 1,453,481,429.76/47,941.44
  6. Step 6: Final answer
    x = 30,317.85

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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.