Home / 63,628.43-87,766.88-39,088.50

Finding the Fourth Proportional to 63,628.43, 87,766.88 and 39,088.50

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Solution

The fourth proportional to 63,628.43, 87,766.88 and 39,088.50 is: 53,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,628.43 : 87,766.88 = 39,088.50 : x
  2. Step 2: Convert to fraction form
    63,628.43/87,766.88 = 39,088.50/x
  3. Step 3: Cross multiply
    63,628.43x = 87,766.88 × 39,088.50
  4. Step 4: Simplify right side
    63,628.43x = 3,430,675,493.44
  5. Step 5: Solve for x
    x = 3,430,675,493.44/63,628.43
  6. Step 6: Final answer
    x = 53,917.34

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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.