Home / 38,949.02-53,749.67-21,044.02

Finding the Fourth Proportional to 38,949.02, 53,749.67 and 21,044.02

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Solution

The fourth proportional to 38,949.02, 53,749.67 and 21,044.02 is: 29,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.02 : 53,749.67 = 21,044.02 : x
  2. Step 2: Convert to fraction form
    38,949.02/53,749.67 = 21,044.02/x
  3. Step 3: Cross multiply
    38,949.02x = 53,749.67 × 21,044.02
  4. Step 4: Simplify right side
    38,949.02x = 1,131,109,130.47
  5. Step 5: Solve for x
    x = 1,131,109,130.47/38,949.02
  6. Step 6: Final answer
    x = 29,040.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.