Home / 38,949.86-53,750.74-21,044.81

Finding the Fourth Proportional to 38,949.86, 53,750.74 and 21,044.81

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Solution

The fourth proportional to 38,949.86, 53,750.74 and 21,044.81 is: 29,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.86 : 53,750.74 = 21,044.81 : x
  2. Step 2: Convert to fraction form
    38,949.86/53,750.74 = 21,044.81/x
  3. Step 3: Cross multiply
    38,949.86x = 53,750.74 × 21,044.81
  4. Step 4: Simplify right side
    38,949.86x = 1,131,174,110.66
  5. Step 5: Solve for x
    x = 1,131,174,110.66/38,949.86
  6. Step 6: Final answer
    x = 29,041.80

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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.