Home / 49,418.07-74,118.75-13,871.23

Finding the Fourth Proportional to 49,418.07, 74,118.75 and 13,871.23

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Solution

The fourth proportional to 49,418.07, 74,118.75 and 13,871.23 is: 20,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.07 : 74,118.75 = 13,871.23 : x
  2. Step 2: Convert to fraction form
    49,418.07/74,118.75 = 13,871.23/x
  3. Step 3: Cross multiply
    49,418.07x = 74,118.75 × 13,871.23
  4. Step 4: Simplify right side
    49,418.07x = 1,028,118,228.56
  5. Step 5: Solve for x
    x = 1,028,118,228.56/49,418.07
  6. Step 6: Final answer
    x = 20,804.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.