Home / 47,860.44-71,764.74-20,152.92

Finding the Fourth Proportional to 47,860.44, 71,764.74 and 20,152.92

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Solution

The fourth proportional to 47,860.44, 71,764.74 and 20,152.92 is: 30,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.44 : 71,764.74 = 20,152.92 : x
  2. Step 2: Convert to fraction form
    47,860.44/71,764.74 = 20,152.92/x
  3. Step 3: Cross multiply
    47,860.44x = 71,764.74 × 20,152.92
  4. Step 4: Simplify right side
    47,860.44x = 1,446,269,064.04
  5. Step 5: Solve for x
    x = 1,446,269,064.04/47,860.44
  6. Step 6: Final answer
    x = 30,218.47

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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.