Home / 45,331.33-67,927.74-19,021.72

Finding the Fourth Proportional to 45,331.33, 67,927.74 and 19,021.72

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Solution

The fourth proportional to 45,331.33, 67,927.74 and 19,021.72 is: 28,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.33 : 67,927.74 = 19,021.72 : x
  2. Step 2: Convert to fraction form
    45,331.33/67,927.74 = 19,021.72/x
  3. Step 3: Cross multiply
    45,331.33x = 67,927.74 × 19,021.72
  4. Step 4: Simplify right side
    45,331.33x = 1,292,102,450.51
  5. Step 5: Solve for x
    x = 1,292,102,450.51/45,331.33
  6. Step 6: Final answer
    x = 28,503.52

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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.