Home / 47,820.20-71,738.48-14,543.62

Finding the Fourth Proportional to 47,820.20, 71,738.48 and 14,543.62

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Solution

The fourth proportional to 47,820.20, 71,738.48 and 14,543.62 is: 21,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,820.20 : 71,738.48 = 14,543.62 : x
  2. Step 2: Convert to fraction form
    47,820.20/71,738.48 = 14,543.62/x
  3. Step 3: Cross multiply
    47,820.20x = 71,738.48 × 14,543.62
  4. Step 4: Simplify right side
    47,820.20x = 1,043,337,049.51
  5. Step 5: Solve for x
    x = 1,043,337,049.51/47,820.20
  6. Step 6: Final answer
    x = 21,817.92

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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.