Home / 53,108.45-73,289.64-29,235

Finding the Fourth Proportional to 53,108.45, 73,289.64 and 29,235

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Solution

The fourth proportional to 53,108.45, 73,289.64 and 29,235 is: 40,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.45 : 73,289.64 = 29,235 : x
  2. Step 2: Convert to fraction form
    53,108.45/73,289.64 = 29,235/x
  3. Step 3: Cross multiply
    53,108.45x = 73,289.64 × 29,235
  4. Step 4: Simplify right side
    53,108.45x = 2,142,622,625.40
  5. Step 5: Solve for x
    x = 2,142,622,625.40/53,108.45
  6. Step 6: Final answer
    x = 40,344.29

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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.