Home / 49,643.64-74,470.91-21,544.38

Finding the Fourth Proportional to 49,643.64, 74,470.91 and 21,544.38

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Solution

The fourth proportional to 49,643.64, 74,470.91 and 21,544.38 is: 32,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.64 : 74,470.91 = 21,544.38 : x
  2. Step 2: Convert to fraction form
    49,643.64/74,470.91 = 21,544.38/x
  3. Step 3: Cross multiply
    49,643.64x = 74,470.91 × 21,544.38
  4. Step 4: Simplify right side
    49,643.64x = 1,604,429,583.99
  5. Step 5: Solve for x
    x = 1,604,429,583.99/49,643.64
  6. Step 6: Final answer
    x = 32,318.94

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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.