Home / 35,506.44-48,990.15-21,705.30

Finding the Fourth Proportional to 35,506.44, 48,990.15 and 21,705.30

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Solution

The fourth proportional to 35,506.44, 48,990.15 and 21,705.30 is: 29,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,506.44 : 48,990.15 = 21,705.30 : x
  2. Step 2: Convert to fraction form
    35,506.44/48,990.15 = 21,705.30/x
  3. Step 3: Cross multiply
    35,506.44x = 48,990.15 × 21,705.30
  4. Step 4: Simplify right side
    35,506.44x = 1,063,345,902.80
  5. Step 5: Solve for x
    x = 1,063,345,902.80/35,506.44
  6. Step 6: Final answer
    x = 29,947.97

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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.