Home / 30,125.50-41,570.21-17,379.84

Finding the Fourth Proportional to 30,125.50, 41,570.21 and 17,379.84

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Solution

The fourth proportional to 30,125.50, 41,570.21 and 17,379.84 is: 23,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.50 : 41,570.21 = 17,379.84 : x
  2. Step 2: Convert to fraction form
    30,125.50/41,570.21 = 17,379.84/x
  3. Step 3: Cross multiply
    30,125.50x = 41,570.21 × 17,379.84
  4. Step 4: Simplify right side
    30,125.50x = 722,483,598.57
  5. Step 5: Solve for x
    x = 722,483,598.57/30,125.50
  6. Step 6: Final answer
    x = 23,982.46

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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.