Home / 30,261.30-41,749.83-18,944.93

Finding the Fourth Proportional to 30,261.30, 41,749.83 and 18,944.93

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Solution

The fourth proportional to 30,261.30, 41,749.83 and 18,944.93 is: 26,137.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.30 : 41,749.83 = 18,944.93 : x
  2. Step 2: Convert to fraction form
    30,261.30/41,749.83 = 18,944.93/x
  3. Step 3: Cross multiply
    30,261.30x = 41,749.83 × 18,944.93
  4. Step 4: Simplify right side
    30,261.30x = 790,947,398.11
  5. Step 5: Solve for x
    x = 790,947,398.11/30,261.30
  6. Step 6: Final answer
    x = 26,137.26

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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.