Home / 49,621.38-68,478.80-28,407.48

Finding the Fourth Proportional to 49,621.38, 68,478.80 and 28,407.48

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Solution

The fourth proportional to 49,621.38, 68,478.80 and 28,407.48 is: 39,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,621.38 : 68,478.80 = 28,407.48 : x
  2. Step 2: Convert to fraction form
    49,621.38/68,478.80 = 28,407.48/x
  3. Step 3: Cross multiply
    49,621.38x = 68,478.80 × 28,407.48
  4. Step 4: Simplify right side
    49,621.38x = 1,945,310,141.42
  5. Step 5: Solve for x
    x = 1,945,310,141.42/49,621.38
  6. Step 6: Final answer
    x = 39,203.06

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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.