Home / 49,685.38-74,509.84-16,395.60

Finding the Fourth Proportional to 49,685.38, 74,509.84 and 16,395.60

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Solution

The fourth proportional to 49,685.38, 74,509.84 and 16,395.60 is: 24,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685.38 : 74,509.84 = 16,395.60 : x
  2. Step 2: Convert to fraction form
    49,685.38/74,509.84 = 16,395.60/x
  3. Step 3: Cross multiply
    49,685.38x = 74,509.84 × 16,395.60
  4. Step 4: Simplify right side
    49,685.38x = 1,221,633,532.70
  5. Step 5: Solve for x
    x = 1,221,633,532.70/49,685.38
  6. Step 6: Final answer
    x = 24,587.38

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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.