Home / 49,942.48-68,922.63-28,721.74

Finding the Fourth Proportional to 49,942.48, 68,922.63 and 28,721.74

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Solution

The fourth proportional to 49,942.48, 68,922.63 and 28,721.74 is: 39,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,942.48 : 68,922.63 = 28,721.74 : x
  2. Step 2: Convert to fraction form
    49,942.48/68,922.63 = 28,721.74/x
  3. Step 3: Cross multiply
    49,942.48x = 68,922.63 × 28,721.74
  4. Step 4: Simplify right side
    49,942.48x = 1,979,577,858.98
  5. Step 5: Solve for x
    x = 1,979,577,858.98/49,942.48
  6. Step 6: Final answer
    x = 39,637.16

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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.