Home / 49,731.12-74,581.20-16,443.72

Finding the Fourth Proportional to 49,731.12, 74,581.20 and 16,443.72

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Solution

The fourth proportional to 49,731.12, 74,581.20 and 16,443.72 is: 24,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,731.12 : 74,581.20 = 16,443.72 : x
  2. Step 2: Convert to fraction form
    49,731.12/74,581.20 = 16,443.72/x
  3. Step 3: Cross multiply
    49,731.12x = 74,581.20 × 16,443.72
  4. Step 4: Simplify right side
    49,731.12x = 1,226,392,370.06
  5. Step 5: Solve for x
    x = 1,226,392,370.06/49,731.12
  6. Step 6: Final answer
    x = 24,660.46

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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.