Home / 49,420.78-68,205.54-28,203.22

Finding the Fourth Proportional to 49,420.78, 68,205.54 and 28,203.22

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Solution

The fourth proportional to 49,420.78, 68,205.54 and 28,203.22 is: 38,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.78 : 68,205.54 = 28,203.22 : x
  2. Step 2: Convert to fraction form
    49,420.78/68,205.54 = 28,203.22/x
  3. Step 3: Cross multiply
    49,420.78x = 68,205.54 × 28,203.22
  4. Step 4: Simplify right side
    49,420.78x = 1,923,615,849.84
  5. Step 5: Solve for x
    x = 1,923,615,849.84/49,420.78
  6. Step 6: Final answer
    x = 38,923.22

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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.