Home / 53,108.82-73,290-29,235.54

Finding the Fourth Proportional to 53,108.82, 73,290 and 29,235.54

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Solution

The fourth proportional to 53,108.82, 73,290 and 29,235.54 is: 40,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.82 : 73,290 = 29,235.54 : x
  2. Step 2: Convert to fraction form
    53,108.82/73,290 = 29,235.54/x
  3. Step 3: Cross multiply
    53,108.82x = 73,290 × 29,235.54
  4. Step 4: Simplify right side
    53,108.82x = 2,142,672,726.60
  5. Step 5: Solve for x
    x = 2,142,672,726.60/53,108.82
  6. Step 6: Final answer
    x = 40,344.95

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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.