Home / 30,460.36-41,993.96-21,373.37

Finding the Fourth Proportional to 30,460.36, 41,993.96 and 21,373.37

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Solution

The fourth proportional to 30,460.36, 41,993.96 and 21,373.37 is: 29,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.36 : 41,993.96 = 21,373.37 : x
  2. Step 2: Convert to fraction form
    30,460.36/41,993.96 = 21,373.37/x
  3. Step 3: Cross multiply
    30,460.36x = 41,993.96 × 21,373.37
  4. Step 4: Simplify right side
    30,460.36x = 897,552,442.96
  5. Step 5: Solve for x
    x = 897,552,442.96/30,460.36
  6. Step 6: Final answer
    x = 29,466.25

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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.