Home / 49,338.20-74,007.30-28,256.60

Finding the Fourth Proportional to 49,338.20, 74,007.30 and 28,256.60

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Solution

The fourth proportional to 49,338.20, 74,007.30 and 28,256.60 is: 42,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,338.20 : 74,007.30 = 28,256.60 : x
  2. Step 2: Convert to fraction form
    49,338.20/74,007.30 = 28,256.60/x
  3. Step 3: Cross multiply
    49,338.20x = 74,007.30 × 28,256.60
  4. Step 4: Simplify right side
    49,338.20x = 2,091,194,673.18
  5. Step 5: Solve for x
    x = 2,091,194,673.18/49,338.20
  6. Step 6: Final answer
    x = 42,384.90

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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.