Home / 33,745.76-46,569.50-18,638.81

Finding the Fourth Proportional to 33,745.76, 46,569.50 and 18,638.81

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Solution

The fourth proportional to 33,745.76, 46,569.50 and 18,638.81 is: 25,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,745.76 : 46,569.50 = 18,638.81 : x
  2. Step 2: Convert to fraction form
    33,745.76/46,569.50 = 18,638.81/x
  3. Step 3: Cross multiply
    33,745.76x = 46,569.50 × 18,638.81
  4. Step 4: Simplify right side
    33,745.76x = 867,999,736.25
  5. Step 5: Solve for x
    x = 867,999,736.25/33,745.76
  6. Step 6: Final answer
    x = 25,721.74

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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.