Home / 33,797.61-46,638.81-18,689.36

Finding the Fourth Proportional to 33,797.61, 46,638.81 and 18,689.36

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Solution

The fourth proportional to 33,797.61, 46,638.81 and 18,689.36 is: 25,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,797.61 : 46,638.81 = 18,689.36 : x
  2. Step 2: Convert to fraction form
    33,797.61/46,638.81 = 18,689.36/x
  3. Step 3: Cross multiply
    33,797.61x = 46,638.81 × 18,689.36
  4. Step 4: Simplify right side
    33,797.61x = 871,649,276.87
  5. Step 5: Solve for x
    x = 871,649,276.87/33,797.61
  6. Step 6: Final answer
    x = 25,790.26

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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.