Home / 49,318.72-74,030.73-21,252.63

Finding the Fourth Proportional to 49,318.72, 74,030.73 and 21,252.63

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Solution

The fourth proportional to 49,318.72, 74,030.73 and 21,252.63 is: 31,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,318.72 : 74,030.73 = 21,252.63 : x
  2. Step 2: Convert to fraction form
    49,318.72/74,030.73 = 21,252.63/x
  3. Step 3: Cross multiply
    49,318.72x = 74,030.73 × 21,252.63
  4. Step 4: Simplify right side
    49,318.72x = 1,573,347,713.32
  5. Step 5: Solve for x
    x = 1,573,347,713.32/49,318.72
  6. Step 6: Final answer
    x = 31,901.63

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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.