Home / 47,717.25-65,855.88-28,854.51

Finding the Fourth Proportional to 47,717.25, 65,855.88 and 28,854.51

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Solution

The fourth proportional to 47,717.25, 65,855.88 and 28,854.51 is: 39,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,717.25 : 65,855.88 = 28,854.51 : x
  2. Step 2: Convert to fraction form
    47,717.25/65,855.88 = 28,854.51/x
  3. Step 3: Cross multiply
    47,717.25x = 65,855.88 × 28,854.51
  4. Step 4: Simplify right side
    47,717.25x = 1,900,239,148.02
  5. Step 5: Solve for x
    x = 1,900,239,148.02/47,717.25
  6. Step 6: Final answer
    x = 39,822.90

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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.