Home / 33,440.78-46,149.45-18,333.47

Finding the Fourth Proportional to 33,440.78, 46,149.45 and 18,333.47

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Solution

The fourth proportional to 33,440.78, 46,149.45 and 18,333.47 is: 25,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,440.78 : 46,149.45 = 18,333.47 : x
  2. Step 2: Convert to fraction form
    33,440.78/46,149.45 = 18,333.47/x
  3. Step 3: Cross multiply
    33,440.78x = 46,149.45 × 18,333.47
  4. Step 4: Simplify right side
    33,440.78x = 846,079,603.71
  5. Step 5: Solve for x
    x = 846,079,603.71/33,440.78
  6. Step 6: Final answer
    x = 25,300.83

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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.