Home / 49,554.45-68,385.20-28,334.21

Finding the Fourth Proportional to 49,554.45, 68,385.20 and 28,334.21

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Solution

The fourth proportional to 49,554.45, 68,385.20 and 28,334.21 is: 39,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,554.45 : 68,385.20 = 28,334.21 : x
  2. Step 2: Convert to fraction form
    49,554.45/68,385.20 = 28,334.21/x
  3. Step 3: Cross multiply
    49,554.45x = 68,385.20 × 28,334.21
  4. Step 4: Simplify right side
    49,554.45x = 1,937,640,134.09
  5. Step 5: Solve for x
    x = 1,937,640,134.09/49,554.45
  6. Step 6: Final answer
    x = 39,101.23

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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.