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Finding the Fourth Proportional to 55,456.71, 83,183.85 and 23,887.77

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Solution

The fourth proportional to 55,456.71, 83,183.85 and 23,887.77 is: 35,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.71 : 83,183.85 = 23,887.77 : x
  2. Step 2: Convert to fraction form
    55,456.71/83,183.85 = 23,887.77/x
  3. Step 3: Cross multiply
    55,456.71x = 83,183.85 × 23,887.77
  4. Step 4: Simplify right side
    55,456.71x = 1,987,076,676.51
  5. Step 5: Solve for x
    x = 1,987,076,676.51/55,456.71
  6. Step 6: Final answer
    x = 35,831.13

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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.