Home / 53,018.70-73,163.96-29,145.20

Finding the Fourth Proportional to 53,018.70, 73,163.96 and 29,145.20

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Solution

The fourth proportional to 53,018.70, 73,163.96 and 29,145.20 is: 40,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.70 : 73,163.96 = 29,145.20 : x
  2. Step 2: Convert to fraction form
    53,018.70/73,163.96 = 29,145.20/x
  3. Step 3: Cross multiply
    53,018.70x = 73,163.96 × 29,145.20
  4. Step 4: Simplify right side
    53,018.70x = 2,132,378,284.18
  5. Step 5: Solve for x
    x = 2,132,378,284.18/53,018.70
  6. Step 6: Final answer
    x = 40,219.36

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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.