Home / 63,583.14-87,745.10-39,723.68

Finding the Fourth Proportional to 63,583.14, 87,745.10 and 39,723.68

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Solution

The fourth proportional to 63,583.14, 87,745.10 and 39,723.68 is: 54,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,583.14 : 87,745.10 = 39,723.68 : x
  2. Step 2: Convert to fraction form
    63,583.14/87,745.10 = 39,723.68/x
  3. Step 3: Cross multiply
    63,583.14x = 87,745.10 × 39,723.68
  4. Step 4: Simplify right side
    63,583.14x = 3,485,557,636.62
  5. Step 5: Solve for x
    x = 3,485,557,636.62/63,583.14
  6. Step 6: Final answer
    x = 54,818.90

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1.5x scale

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.