Home / 49,930.56-74,877.48-20,332.32

Finding the Fourth Proportional to 49,930.56, 74,877.48 and 20,332.32

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Solution

The fourth proportional to 49,930.56, 74,877.48 and 20,332.32 is: 30,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930.56 : 74,877.48 = 20,332.32 : x
  2. Step 2: Convert to fraction form
    49,930.56/74,877.48 = 20,332.32/x
  3. Step 3: Cross multiply
    49,930.56x = 74,877.48 × 20,332.32
  4. Step 4: Simplify right side
    49,930.56x = 1,522,432,884.15
  5. Step 5: Solve for x
    x = 1,522,432,884.15/49,930.56
  6. Step 6: Final answer
    x = 30,491.00

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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.