Home / 51,208.44-76,847.52-31,426.64

Finding the Fourth Proportional to 51,208.44, 76,847.52 and 31,426.64

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Solution

The fourth proportional to 51,208.44, 76,847.52 and 31,426.64 is: 47,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.44 : 76,847.52 = 31,426.64 : x
  2. Step 2: Convert to fraction form
    51,208.44/76,847.52 = 31,426.64/x
  3. Step 3: Cross multiply
    51,208.44x = 76,847.52 × 31,426.64
  4. Step 4: Simplify right side
    51,208.44x = 2,415,059,345.93
  5. Step 5: Solve for x
    x = 2,415,059,345.93/51,208.44
  6. Step 6: Final answer
    x = 47,161.35

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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.