Home / 47,213.75-70,820.67-19,512.47

Finding the Fourth Proportional to 47,213.75, 70,820.67 and 19,512.47

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Solution

The fourth proportional to 47,213.75, 70,820.67 and 19,512.47 is: 29,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,213.75 : 70,820.67 = 19,512.47 : x
  2. Step 2: Convert to fraction form
    47,213.75/70,820.67 = 19,512.47/x
  3. Step 3: Cross multiply
    47,213.75x = 70,820.67 × 19,512.47
  4. Step 4: Simplify right side
    47,213.75x = 1,381,886,198.75
  5. Step 5: Solve for x
    x = 1,381,886,198.75/47,213.75
  6. Step 6: Final answer
    x = 29,268.72

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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.