Home / 33,820.79-46,691.46-20,395.45

Finding the Fourth Proportional to 33,820.79, 46,691.46 and 20,395.45

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Solution

The fourth proportional to 33,820.79, 46,691.46 and 20,395.45 is: 28,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.79 : 46,691.46 = 20,395.45 : x
  2. Step 2: Convert to fraction form
    33,820.79/46,691.46 = 20,395.45/x
  3. Step 3: Cross multiply
    33,820.79x = 46,691.46 × 20,395.45
  4. Step 4: Simplify right side
    33,820.79x = 952,293,104.40
  5. Step 5: Solve for x
    x = 952,293,104.40/33,820.79
  6. Step 6: Final answer
    x = 28,157.03

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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.