Home / 35,428.58-48,891.31-19,512.99

Finding the Fourth Proportional to 35,428.58, 48,891.31 and 19,512.99

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Solution

The fourth proportional to 35,428.58, 48,891.31 and 19,512.99 is: 26,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.58 : 48,891.31 = 19,512.99 : x
  2. Step 2: Convert to fraction form
    35,428.58/48,891.31 = 19,512.99/x
  3. Step 3: Cross multiply
    35,428.58x = 48,891.31 × 19,512.99
  4. Step 4: Simplify right side
    35,428.58x = 954,015,643.12
  5. Step 5: Solve for x
    x = 954,015,643.12/35,428.58
  6. Step 6: Final answer
    x = 26,927.85

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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.