Home / 53,015.54-73,163.13-29,143.22

Finding the Fourth Proportional to 53,015.54, 73,163.13 and 29,143.22

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Solution

The fourth proportional to 53,015.54, 73,163.13 and 29,143.22 is: 40,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.54 : 73,163.13 = 29,143.22 : x
  2. Step 2: Convert to fraction form
    53,015.54/73,163.13 = 29,143.22/x
  3. Step 3: Cross multiply
    53,015.54x = 73,163.13 × 29,143.22
  4. Step 4: Simplify right side
    53,015.54x = 2,132,209,193.48
  5. Step 5: Solve for x
    x = 2,132,209,193.48/53,015.54
  6. Step 6: Final answer
    x = 40,218.57

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1.5x scale

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.