Home / 47,467.13-71,165.52-28,742.76

Finding the Fourth Proportional to 47,467.13, 71,165.52 and 28,742.76

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Solution

The fourth proportional to 47,467.13, 71,165.52 and 28,742.76 is: 43,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,467.13 : 71,165.52 = 28,742.76 : x
  2. Step 2: Convert to fraction form
    47,467.13/71,165.52 = 28,742.76/x
  3. Step 3: Cross multiply
    47,467.13x = 71,165.52 × 28,742.76
  4. Step 4: Simplify right side
    47,467.13x = 2,045,493,461.64
  5. Step 5: Solve for x
    x = 2,045,493,461.64/47,467.13
  6. Step 6: Final answer
    x = 43,092.85

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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.