Home / 33,387.05-46,074.68-18,279.45

Finding the Fourth Proportional to 33,387.05, 46,074.68 and 18,279.45

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Solution

The fourth proportional to 33,387.05, 46,074.68 and 18,279.45 is: 25,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.05 : 46,074.68 = 18,279.45 : x
  2. Step 2: Convert to fraction form
    33,387.05/46,074.68 = 18,279.45/x
  3. Step 3: Cross multiply
    33,387.05x = 46,074.68 × 18,279.45
  4. Step 4: Simplify right side
    33,387.05x = 842,219,717.93
  5. Step 5: Solve for x
    x = 842,219,717.93/33,387.05
  6. Step 6: Final answer
    x = 25,225.94

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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.