Home / 47,846.64-71,796.38-19,760.16

Finding the Fourth Proportional to 47,846.64, 71,796.38 and 19,760.16

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Solution

The fourth proportional to 47,846.64, 71,796.38 and 19,760.16 is: 29,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.64 : 71,796.38 = 19,760.16 : x
  2. Step 2: Convert to fraction form
    47,846.64/71,796.38 = 19,760.16/x
  3. Step 3: Cross multiply
    47,846.64x = 71,796.38 × 19,760.16
  4. Step 4: Simplify right side
    47,846.64x = 1,418,707,826.13
  5. Step 5: Solve for x
    x = 1,418,707,826.13/47,846.64
  6. Step 6: Final answer
    x = 29,651.15

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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.