Home / 30,749.14-46,138.29-18,293.77

Finding the Fourth Proportional to 30,749.14, 46,138.29 and 18,293.77

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Solution

The fourth proportional to 30,749.14, 46,138.29 and 18,293.77 is: 27,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.14 : 46,138.29 = 18,293.77 : x
  2. Step 2: Convert to fraction form
    30,749.14/46,138.29 = 18,293.77/x
  3. Step 3: Cross multiply
    30,749.14x = 46,138.29 × 18,293.77
  4. Step 4: Simplify right side
    30,749.14x = 844,043,265.45
  5. Step 5: Solve for x
    x = 844,043,265.45/30,749.14
  6. Step 6: Final answer
    x = 27,449.33

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1.5x scale

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.