Home / 49,830.88-68,763.60-28,608.16

Finding the Fourth Proportional to 49,830.88, 68,763.60 and 28,608.16

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Solution

The fourth proportional to 49,830.88, 68,763.60 and 28,608.16 is: 39,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830.88 : 68,763.60 = 28,608.16 : x
  2. Step 2: Convert to fraction form
    49,830.88/68,763.60 = 28,608.16/x
  3. Step 3: Cross multiply
    49,830.88x = 68,763.60 × 28,608.16
  4. Step 4: Simplify right side
    49,830.88x = 1,967,200,070.98
  5. Step 5: Solve for x
    x = 1,967,200,070.98/49,830.88
  6. Step 6: Final answer
    x = 39,477.53

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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.