Home / 49,830.30-69,241.94-49,201.55

Finding the Fourth Proportional to 49,830.30, 69,241.94 and 49,201.55

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Solution

The fourth proportional to 49,830.30, 69,241.94 and 49,201.55 is: 68,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830.30 : 69,241.94 = 49,201.55 : x
  2. Step 2: Convert to fraction form
    49,830.30/69,241.94 = 49,201.55/x
  3. Step 3: Cross multiply
    49,830.30x = 69,241.94 × 49,201.55
  4. Step 4: Simplify right side
    49,830.30x = 3,406,810,180.79
  5. Step 5: Solve for x
    x = 3,406,810,180.79/49,830.30
  6. Step 6: Final answer
    x = 68,368.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.