Home / 44,043.91-66,072.75-14,455

Finding the Fourth Proportional to 44,043.91, 66,072.75 and 14,455

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Solution

The fourth proportional to 44,043.91, 66,072.75 and 14,455 is: 21,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,043.91 : 66,072.75 = 14,455 : x
  2. Step 2: Convert to fraction form
    44,043.91/66,072.75 = 14,455/x
  3. Step 3: Cross multiply
    44,043.91x = 66,072.75 × 14,455
  4. Step 4: Simplify right side
    44,043.91x = 955,081,601.25
  5. Step 5: Solve for x
    x = 955,081,601.25/44,043.91
  6. Step 6: Final answer
    x = 21,684.76

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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.