Home / 49,950.69-68,935.14-28,729.50

Finding the Fourth Proportional to 49,950.69, 68,935.14 and 28,729.50

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Solution

The fourth proportional to 49,950.69, 68,935.14 and 28,729.50 is: 39,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,950.69 : 68,935.14 = 28,729.50 : x
  2. Step 2: Convert to fraction form
    49,950.69/68,935.14 = 28,729.50/x
  3. Step 3: Cross multiply
    49,950.69x = 68,935.14 × 28,729.50
  4. Step 4: Simplify right side
    49,950.69x = 1,980,472,104.63
  5. Step 5: Solve for x
    x = 1,980,472,104.63/49,950.69
  6. Step 6: Final answer
    x = 39,648.54

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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.