Home / 35,284.26-48,690.60-21,144.90

Finding the Fourth Proportional to 35,284.26, 48,690.60 and 21,144.90

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Solution

The fourth proportional to 35,284.26, 48,690.60 and 21,144.90 is: 29,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.26 : 48,690.60 = 21,144.90 : x
  2. Step 2: Convert to fraction form
    35,284.26/48,690.60 = 21,144.90/x
  3. Step 3: Cross multiply
    35,284.26x = 48,690.60 × 21,144.90
  4. Step 4: Simplify right side
    35,284.26x = 1,029,557,867.94
  5. Step 5: Solve for x
    x = 1,029,557,867.94/35,284.26
  6. Step 6: Final answer
    x = 29,178.96

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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.