Home / 53,004.20-73,141.49-30,338.03

Finding the Fourth Proportional to 53,004.20, 73,141.49 and 30,338.03

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Solution

The fourth proportional to 53,004.20, 73,141.49 and 30,338.03 is: 41,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.20 : 73,141.49 = 30,338.03 : x
  2. Step 2: Convert to fraction form
    53,004.20/73,141.49 = 30,338.03/x
  3. Step 3: Cross multiply
    53,004.20x = 73,141.49 × 30,338.03
  4. Step 4: Simplify right side
    53,004.20x = 2,218,968,200.47
  5. Step 5: Solve for x
    x = 2,218,968,200.47/53,004.20
  6. Step 6: Final answer
    x = 41,864.01

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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.