Home / 49,515.09-68,329.89-28,004.46

Finding the Fourth Proportional to 49,515.09, 68,329.89 and 28,004.46

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Solution

The fourth proportional to 49,515.09, 68,329.89 and 28,004.46 is: 38,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.09 : 68,329.89 = 28,004.46 : x
  2. Step 2: Convert to fraction form
    49,515.09/68,329.89 = 28,004.46/x
  3. Step 3: Cross multiply
    49,515.09x = 68,329.89 × 28,004.46
  4. Step 4: Simplify right side
    49,515.09x = 1,913,541,671.31
  5. Step 5: Solve for x
    x = 1,913,541,671.31/49,515.09
  6. Step 6: Final answer
    x = 38,645.63

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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.