Home / 30,629.10-45,921.92-11,893.35

Finding the Fourth Proportional to 30,629.10, 45,921.92 and 11,893.35

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Solution

The fourth proportional to 30,629.10, 45,921.92 and 11,893.35 is: 17,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.10 : 45,921.92 = 11,893.35 : x
  2. Step 2: Convert to fraction form
    30,629.10/45,921.92 = 11,893.35/x
  3. Step 3: Cross multiply
    30,629.10x = 45,921.92 × 11,893.35
  4. Step 4: Simplify right side
    30,629.10x = 546,165,496.97
  5. Step 5: Solve for x
    x = 546,165,496.97/30,629.10
  6. Step 6: Final answer
    x = 17,831.59

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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.