Home / 47,716.90-65,855.37-28,864.42

Finding the Fourth Proportional to 47,716.90, 65,855.37 and 28,864.42

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Solution

The fourth proportional to 47,716.90, 65,855.37 and 28,864.42 is: 39,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.90 : 65,855.37 = 28,864.42 : x
  2. Step 2: Convert to fraction form
    47,716.90/65,855.37 = 28,864.42/x
  3. Step 3: Cross multiply
    47,716.90x = 65,855.37 × 28,864.42
  4. Step 4: Simplify right side
    47,716.90x = 1,900,877,058.94
  5. Step 5: Solve for x
    x = 1,900,877,058.94/47,716.90
  6. Step 6: Final answer
    x = 39,836.56

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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.