Home / 49,833.29-68,769.51-28,612.71

Finding the Fourth Proportional to 49,833.29, 68,769.51 and 28,612.71

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Solution

The fourth proportional to 49,833.29, 68,769.51 and 28,612.71 is: 39,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,833.29 : 68,769.51 = 28,612.71 : x
  2. Step 2: Convert to fraction form
    49,833.29/68,769.51 = 28,612.71/x
  3. Step 3: Cross multiply
    49,833.29x = 68,769.51 × 28,612.71
  4. Step 4: Simplify right side
    49,833.29x = 1,967,681,939.17
  5. Step 5: Solve for x
    x = 1,967,681,939.17/49,833.29
  6. Step 6: Final answer
    x = 39,485.29

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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.