Home / 30,013.75-41,421.41-17,440.93

Finding the Fourth Proportional to 30,013.75, 41,421.41 and 17,440.93

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Solution

The fourth proportional to 30,013.75, 41,421.41 and 17,440.93 is: 24,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.75 : 41,421.41 = 17,440.93 : x
  2. Step 2: Convert to fraction form
    30,013.75/41,421.41 = 17,440.93/x
  3. Step 3: Cross multiply
    30,013.75x = 41,421.41 × 17,440.93
  4. Step 4: Simplify right side
    30,013.75x = 722,427,912.31
  5. Step 5: Solve for x
    x = 722,427,912.31/30,013.75
  6. Step 6: Final answer
    x = 24,069.90

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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.