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Finding the Fourth Proportional to 35,480.73, 48,986.22 and 22,070.23

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Solution

The fourth proportional to 35,480.73, 48,986.22 and 22,070.23 is: 30,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.73 : 48,986.22 = 22,070.23 : x
  2. Step 2: Convert to fraction form
    35,480.73/48,986.22 = 22,070.23/x
  3. Step 3: Cross multiply
    35,480.73x = 48,986.22 × 22,070.23
  4. Step 4: Simplify right side
    35,480.73x = 1,081,137,142.23
  5. Step 5: Solve for x
    x = 1,081,137,142.23/35,480.73
  6. Step 6: Final answer
    x = 30,471.11

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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.