Home / 33,425.78-46,128.68-18,318.47

Finding the Fourth Proportional to 33,425.78, 46,128.68 and 18,318.47

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Solution

The fourth proportional to 33,425.78, 46,128.68 and 18,318.47 is: 25,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,425.78 : 46,128.68 = 18,318.47 : x
  2. Step 2: Convert to fraction form
    33,425.78/46,128.68 = 18,318.47/x
  3. Step 3: Cross multiply
    33,425.78x = 46,128.68 × 18,318.47
  4. Step 4: Simplify right side
    33,425.78x = 845,006,840.72
  5. Step 5: Solve for x
    x = 845,006,840.72/33,425.78
  6. Step 6: Final answer
    x = 25,280.09

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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.