Home / 47,718.84-65,858.04-28,855.92

Finding the Fourth Proportional to 47,718.84, 65,858.04 and 28,855.92

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Solution

The fourth proportional to 47,718.84, 65,858.04 and 28,855.92 is: 39,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.84 : 65,858.04 = 28,855.92 : x
  2. Step 2: Convert to fraction form
    47,718.84/65,858.04 = 28,855.92/x
  3. Step 3: Cross multiply
    47,718.84x = 65,858.04 × 28,855.92
  4. Step 4: Simplify right side
    47,718.84x = 1,900,394,333.60
  5. Step 5: Solve for x
    x = 1,900,394,333.60/47,718.84
  6. Step 6: Final answer
    x = 39,824.82

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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.