Home / 47,891.20-71,844.36-14,603.64

Finding the Fourth Proportional to 47,891.20, 71,844.36 and 14,603.64

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Solution

The fourth proportional to 47,891.20, 71,844.36 and 14,603.64 is: 21,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.20 : 71,844.36 = 14,603.64 : x
  2. Step 2: Convert to fraction form
    47,891.20/71,844.36 = 14,603.64/x
  3. Step 3: Cross multiply
    47,891.20x = 71,844.36 × 14,603.64
  4. Step 4: Simplify right side
    47,891.20x = 1,049,189,169.47
  5. Step 5: Solve for x
    x = 1,049,189,169.47/47,891.20
  6. Step 6: Final answer
    x = 21,907.77

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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.