Home / 49,406.34-74,087.10-21,313.12

Finding the Fourth Proportional to 49,406.34, 74,087.10 and 21,313.12

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Solution

The fourth proportional to 49,406.34, 74,087.10 and 21,313.12 is: 31,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,406.34 : 74,087.10 = 21,313.12 : x
  2. Step 2: Convert to fraction form
    49,406.34/74,087.10 = 21,313.12/x
  3. Step 3: Cross multiply
    49,406.34x = 74,087.10 × 21,313.12
  4. Step 4: Simplify right side
    49,406.34x = 1,579,027,252.75
  5. Step 5: Solve for x
    x = 1,579,027,252.75/49,406.34
  6. Step 6: Final answer
    x = 31,960.01

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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.