Home / 49,653.69-74,480.45-20,071.55

Finding the Fourth Proportional to 49,653.69, 74,480.45 and 20,071.55

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Solution

The fourth proportional to 49,653.69, 74,480.45 and 20,071.55 is: 30,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,653.69 : 74,480.45 = 20,071.55 : x
  2. Step 2: Convert to fraction form
    49,653.69/74,480.45 = 20,071.55/x
  3. Step 3: Cross multiply
    49,653.69x = 74,480.45 × 20,071.55
  4. Step 4: Simplify right side
    49,653.69x = 1,494,937,603.44
  5. Step 5: Solve for x
    x = 1,494,937,603.44/49,653.69
  6. Step 6: Final answer
    x = 30,107.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.