Home / 49,936.60-74,807.70-30,156.40

Finding the Fourth Proportional to 49,936.60, 74,807.70 and 30,156.40

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Solution

The fourth proportional to 49,936.60, 74,807.70 and 30,156.40 is: 45,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,936.60 : 74,807.70 = 30,156.40 : x
  2. Step 2: Convert to fraction form
    49,936.60/74,807.70 = 30,156.40/x
  3. Step 3: Cross multiply
    49,936.60x = 74,807.70 × 30,156.40
  4. Step 4: Simplify right side
    49,936.60x = 2,255,930,924.28
  5. Step 5: Solve for x
    x = 2,255,930,924.28/49,936.60
  6. Step 6: Final answer
    x = 45,175.90

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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.