Home / 30,442.33-41,983.19-19,112.87

Finding the Fourth Proportional to 30,442.33, 41,983.19 and 19,112.87

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Solution

The fourth proportional to 30,442.33, 41,983.19 and 19,112.87 is: 26,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.33 : 41,983.19 = 19,112.87 : x
  2. Step 2: Convert to fraction form
    30,442.33/41,983.19 = 19,112.87/x
  3. Step 3: Cross multiply
    30,442.33x = 41,983.19 × 19,112.87
  4. Step 4: Simplify right side
    30,442.33x = 802,419,333.72
  5. Step 5: Solve for x
    x = 802,419,333.72/30,442.33
  6. Step 6: Final answer
    x = 26,358.67

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1.5x scale

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.