Home / 35,643.26-49,191.36-20,536.49

Finding the Fourth Proportional to 35,643.26, 49,191.36 and 20,536.49

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Solution

The fourth proportional to 35,643.26, 49,191.36 and 20,536.49 is: 28,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.26 : 49,191.36 = 20,536.49 : x
  2. Step 2: Convert to fraction form
    35,643.26/49,191.36 = 20,536.49/x
  3. Step 3: Cross multiply
    35,643.26x = 49,191.36 × 20,536.49
  4. Step 4: Simplify right side
    35,643.26x = 1,010,217,872.73
  5. Step 5: Solve for x
    x = 1,010,217,872.73/35,643.26
  6. Step 6: Final answer
    x = 28,342.47

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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.