Home / 47,309.88-65,286.43-26,087.79

Finding the Fourth Proportional to 47,309.88, 65,286.43 and 26,087.79

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Solution

The fourth proportional to 47,309.88, 65,286.43 and 26,087.79 is: 36,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309.88 : 65,286.43 = 26,087.79 : x
  2. Step 2: Convert to fraction form
    47,309.88/65,286.43 = 26,087.79/x
  3. Step 3: Cross multiply
    47,309.88x = 65,286.43 × 26,087.79
  4. Step 4: Simplify right side
    47,309.88x = 1,703,178,675.69
  5. Step 5: Solve for x
    x = 1,703,178,675.69/47,309.88
  6. Step 6: Final answer
    x = 36,000.49

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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.