Home / 44,023.78-66,028-20,329.30

Finding the Fourth Proportional to 44,023.78, 66,028 and 20,329.30

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Solution

The fourth proportional to 44,023.78, 66,028 and 20,329.30 is: 30,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,023.78 : 66,028 = 20,329.30 : x
  2. Step 2: Convert to fraction form
    44,023.78/66,028 = 20,329.30/x
  3. Step 3: Cross multiply
    44,023.78x = 66,028 × 20,329.30
  4. Step 4: Simplify right side
    44,023.78x = 1,342,303,020.40
  5. Step 5: Solve for x
    x = 1,342,303,020.40/44,023.78
  6. Step 6: Final answer
    x = 30,490.41

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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.