Home / 33,149.81-45,747.71-18,043.45

Finding the Fourth Proportional to 33,149.81, 45,747.71 and 18,043.45

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Solution

The fourth proportional to 33,149.81, 45,747.71 and 18,043.45 is: 24,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.81 : 45,747.71 = 18,043.45 : x
  2. Step 2: Convert to fraction form
    33,149.81/45,747.71 = 18,043.45/x
  3. Step 3: Cross multiply
    33,149.81x = 45,747.71 × 18,043.45
  4. Step 4: Simplify right side
    33,149.81x = 825,446,448.74
  5. Step 5: Solve for x
    x = 825,446,448.74/33,149.81
  6. Step 6: Final answer
    x = 24,900.49

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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.