Home / 53,003.52-73,145.28-29,129.52

Finding the Fourth Proportional to 53,003.52, 73,145.28 and 29,129.52

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Solution

The fourth proportional to 53,003.52, 73,145.28 and 29,129.52 is: 40,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.52 : 73,145.28 = 29,129.52 : x
  2. Step 2: Convert to fraction form
    53,003.52/73,145.28 = 29,129.52/x
  3. Step 3: Cross multiply
    53,003.52x = 73,145.28 × 29,129.52
  4. Step 4: Simplify right side
    53,003.52x = 2,130,686,896.67
  5. Step 5: Solve for x
    x = 2,130,686,896.67/53,003.52
  6. Step 6: Final answer
    x = 40,198.97

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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.