Home / 33,797.60-46,638.80-18,689.34

Finding the Fourth Proportional to 33,797.60, 46,638.80 and 18,689.34

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Solution

The fourth proportional to 33,797.60, 46,638.80 and 18,689.34 is: 25,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,797.60 : 46,638.80 = 18,689.34 : x
  2. Step 2: Convert to fraction form
    33,797.60/46,638.80 = 18,689.34/x
  3. Step 3: Cross multiply
    33,797.60x = 46,638.80 × 18,689.34
  4. Step 4: Simplify right side
    33,797.60x = 871,648,390.39
  5. Step 5: Solve for x
    x = 871,648,390.39/33,797.60
  6. Step 6: Final answer
    x = 25,790.25

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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.