Home / 49,039.05-67,673.26-28,896.78

Finding the Fourth Proportional to 49,039.05, 67,673.26 and 28,896.78

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Solution

The fourth proportional to 49,039.05, 67,673.26 and 28,896.78 is: 39,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,039.05 : 67,673.26 = 28,896.78 : x
  2. Step 2: Convert to fraction form
    49,039.05/67,673.26 = 28,896.78/x
  3. Step 3: Cross multiply
    49,039.05x = 67,673.26 × 28,896.78
  4. Step 4: Simplify right side
    49,039.05x = 1,955,539,161.62
  5. Step 5: Solve for x
    x = 1,955,539,161.62/49,039.05
  6. Step 6: Final answer
    x = 39,877.18

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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.