Home / 30,908.32-46,138.72-27,171.68

Finding the Fourth Proportional to 30,908.32, 46,138.72 and 27,171.68

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Solution

The fourth proportional to 30,908.32, 46,138.72 and 27,171.68 is: 40,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.32 : 46,138.72 = 27,171.68 : x
  2. Step 2: Convert to fraction form
    30,908.32/46,138.72 = 27,171.68/x
  3. Step 3: Cross multiply
    30,908.32x = 46,138.72 × 27,171.68
  4. Step 4: Simplify right side
    30,908.32x = 1,253,666,535.45
  5. Step 5: Solve for x
    x = 1,253,666,535.45/30,908.32
  6. Step 6: Final answer
    x = 40,560.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.