Home / 47,342.94-71,028.83-28,388.63

Finding the Fourth Proportional to 47,342.94, 71,028.83 and 28,388.63

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Solution

The fourth proportional to 47,342.94, 71,028.83 and 28,388.63 is: 42,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.94 : 71,028.83 = 28,388.63 : x
  2. Step 2: Convert to fraction form
    47,342.94/71,028.83 = 28,388.63/x
  3. Step 3: Cross multiply
    47,342.94x = 71,028.83 × 28,388.63
  4. Step 4: Simplify right side
    47,342.94x = 2,016,411,174.20
  5. Step 5: Solve for x
    x = 2,016,411,174.20/47,342.94
  6. Step 6: Final answer
    x = 42,591.59

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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.