Home / 30,744.36-45,999.86-19,028.52

Finding the Fourth Proportional to 30,744.36, 45,999.86 and 19,028.52

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Solution

The fourth proportional to 30,744.36, 45,999.86 and 19,028.52 is: 28,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,744.36 : 45,999.86 = 19,028.52 : x
  2. Step 2: Convert to fraction form
    30,744.36/45,999.86 = 19,028.52/x
  3. Step 3: Cross multiply
    30,744.36x = 45,999.86 × 19,028.52
  4. Step 4: Simplify right side
    30,744.36x = 875,309,256.01
  5. Step 5: Solve for x
    x = 875,309,256.01/30,744.36
  6. Step 6: Final answer
    x = 28,470.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.