Home / 53,015.50-73,163.10-29,143.90

Finding the Fourth Proportional to 53,015.50, 73,163.10 and 29,143.90

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Solution

The fourth proportional to 53,015.50, 73,163.10 and 29,143.90 is: 40,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.50 : 73,163.10 = 29,143.90 : x
  2. Step 2: Convert to fraction form
    53,015.50/73,163.10 = 29,143.90/x
  3. Step 3: Cross multiply
    53,015.50x = 73,163.10 × 29,143.90
  4. Step 4: Simplify right side
    53,015.50x = 2,132,258,070.09
  5. Step 5: Solve for x
    x = 2,132,258,070.09/53,015.50
  6. Step 6: Final answer
    x = 40,219.52

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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.