Home / 33,827.09-46,680.23-18,720.39

Finding the Fourth Proportional to 33,827.09, 46,680.23 and 18,720.39

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Solution

The fourth proportional to 33,827.09, 46,680.23 and 18,720.39 is: 25,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,827.09 : 46,680.23 = 18,720.39 : x
  2. Step 2: Convert to fraction form
    33,827.09/46,680.23 = 18,720.39/x
  3. Step 3: Cross multiply
    33,827.09x = 46,680.23 × 18,720.39
  4. Step 4: Simplify right side
    33,827.09x = 873,871,877.49
  5. Step 5: Solve for x
    x = 873,871,877.49/33,827.09
  6. Step 6: Final answer
    x = 25,833.50

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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.