Home / 47,097.29-65,011.31-31,186.86

Finding the Fourth Proportional to 47,097.29, 65,011.31 and 31,186.86

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Solution

The fourth proportional to 47,097.29, 65,011.31 and 31,186.86 is: 43,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,097.29 : 65,011.31 = 31,186.86 : x
  2. Step 2: Convert to fraction form
    47,097.29/65,011.31 = 31,186.86/x
  3. Step 3: Cross multiply
    47,097.29x = 65,011.31 × 31,186.86
  4. Step 4: Simplify right side
    47,097.29x = 2,027,498,467.45
  5. Step 5: Solve for x
    x = 2,027,498,467.45/47,097.29
  6. Step 6: Final answer
    x = 43,049.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.