Home / 63,538.24-87,738.50-39,705.64

Finding the Fourth Proportional to 63,538.24, 87,738.50 and 39,705.64

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Solution

The fourth proportional to 63,538.24, 87,738.50 and 39,705.64 is: 54,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,538.24 : 87,738.50 = 39,705.64 : x
  2. Step 2: Convert to fraction form
    63,538.24/87,738.50 = 39,705.64/x
  3. Step 3: Cross multiply
    63,538.24x = 87,738.50 × 39,705.64
  4. Step 4: Simplify right side
    63,538.24x = 3,483,713,295.14
  5. Step 5: Solve for x
    x = 3,483,713,295.14/63,538.24
  6. Step 6: Final answer
    x = 54,828.61

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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.