Home / 33,738.09-46,557.63-18,630.47

Finding the Fourth Proportional to 33,738.09, 46,557.63 and 18,630.47

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Solution

The fourth proportional to 33,738.09, 46,557.63 and 18,630.47 is: 25,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,738.09 : 46,557.63 = 18,630.47 : x
  2. Step 2: Convert to fraction form
    33,738.09/46,557.63 = 18,630.47/x
  3. Step 3: Cross multiply
    33,738.09x = 46,557.63 × 18,630.47
  4. Step 4: Simplify right side
    33,738.09x = 867,390,296.20
  5. Step 5: Solve for x
    x = 867,390,296.20/33,738.09
  6. Step 6: Final answer
    x = 25,709.53

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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.