Home / 35,418.75-48,873.62-20,310.63

Finding the Fourth Proportional to 35,418.75, 48,873.62 and 20,310.63

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Solution

The fourth proportional to 35,418.75, 48,873.62 and 20,310.63 is: 28,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.75 : 48,873.62 = 20,310.63 : x
  2. Step 2: Convert to fraction form
    35,418.75/48,873.62 = 20,310.63/x
  3. Step 3: Cross multiply
    35,418.75x = 48,873.62 × 20,310.63
  4. Step 4: Simplify right side
    35,418.75x = 992,654,012.58
  5. Step 5: Solve for x
    x = 992,654,012.58/35,418.75
  6. Step 6: Final answer
    x = 28,026.23

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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.