Home / 33,307.12-45,942.06-21,351.52

Finding the Fourth Proportional to 33,307.12, 45,942.06 and 21,351.52

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Solution

The fourth proportional to 33,307.12, 45,942.06 and 21,351.52 is: 29,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.12 : 45,942.06 = 21,351.52 : x
  2. Step 2: Convert to fraction form
    33,307.12/45,942.06 = 21,351.52/x
  3. Step 3: Cross multiply
    33,307.12x = 45,942.06 × 21,351.52
  4. Step 4: Simplify right side
    33,307.12x = 980,932,812.93
  5. Step 5: Solve for x
    x = 980,932,812.93/33,307.12
  6. Step 6: Final answer
    x = 29,451.14

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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.