Home / 35,531.65-49,033.36-19,615.75

Finding the Fourth Proportional to 35,531.65, 49,033.36 and 19,615.75

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Solution

The fourth proportional to 35,531.65, 49,033.36 and 19,615.75 is: 27,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.65 : 49,033.36 = 19,615.75 : x
  2. Step 2: Convert to fraction form
    35,531.65/49,033.36 = 19,615.75/x
  3. Step 3: Cross multiply
    35,531.65x = 49,033.36 × 19,615.75
  4. Step 4: Simplify right side
    35,531.65x = 961,826,131.42
  5. Step 5: Solve for x
    x = 961,826,131.42/35,531.65
  6. Step 6: Final answer
    x = 27,069.56

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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.