Home / 35,479.05-48,958.84-20,361.08

Finding the Fourth Proportional to 35,479.05, 48,958.84 and 20,361.08

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Solution

The fourth proportional to 35,479.05, 48,958.84 and 20,361.08 is: 28,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.05 : 48,958.84 = 20,361.08 : x
  2. Step 2: Convert to fraction form
    35,479.05/48,958.84 = 20,361.08/x
  3. Step 3: Cross multiply
    35,479.05x = 48,958.84 × 20,361.08
  4. Step 4: Simplify right side
    35,479.05x = 996,854,857.95
  5. Step 5: Solve for x
    x = 996,854,857.95/35,479.05
  6. Step 6: Final answer
    x = 28,097.00

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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.