Home / 30,121.95-41,568.23-17,374.93

Finding the Fourth Proportional to 30,121.95, 41,568.23 and 17,374.93

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Solution

The fourth proportional to 30,121.95, 41,568.23 and 17,374.93 is: 23,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.95 : 41,568.23 = 17,374.93 : x
  2. Step 2: Convert to fraction form
    30,121.95/41,568.23 = 17,374.93/x
  3. Step 3: Cross multiply
    30,121.95x = 41,568.23 × 17,374.93
  4. Step 4: Simplify right side
    30,121.95x = 722,244,895.68
  5. Step 5: Solve for x
    x = 722,244,895.68/30,121.95
  6. Step 6: Final answer
    x = 23,977.36

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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.