Home / 33,431.28-46,133.55-20,009.94

Finding the Fourth Proportional to 33,431.28, 46,133.55 and 20,009.94

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Solution

The fourth proportional to 33,431.28, 46,133.55 and 20,009.94 is: 27,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.28 : 46,133.55 = 20,009.94 : x
  2. Step 2: Convert to fraction form
    33,431.28/46,133.55 = 20,009.94/x
  3. Step 3: Cross multiply
    33,431.28x = 46,133.55 × 20,009.94
  4. Step 4: Simplify right side
    33,431.28x = 923,129,567.49
  5. Step 5: Solve for x
    x = 923,129,567.49/33,431.28
  6. Step 6: Final answer
    x = 27,612.75

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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.