Home / 49,647.60-68,515.20-28,425.60

Finding the Fourth Proportional to 49,647.60, 68,515.20 and 28,425.60

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Solution

The fourth proportional to 49,647.60, 68,515.20 and 28,425.60 is: 39,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.60 : 68,515.20 = 28,425.60 : x
  2. Step 2: Convert to fraction form
    49,647.60/68,515.20 = 28,425.60/x
  3. Step 3: Cross multiply
    49,647.60x = 68,515.20 × 28,425.60
  4. Step 4: Simplify right side
    49,647.60x = 1,947,585,669.12
  5. Step 5: Solve for x
    x = 1,947,585,669.12/49,647.60
  6. Step 6: Final answer
    x = 39,228.19

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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.