Home / 30,344.24-41,874.63-16,915.25

Finding the Fourth Proportional to 30,344.24, 41,874.63 and 16,915.25

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Solution

The fourth proportional to 30,344.24, 41,874.63 and 16,915.25 is: 23,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.24 : 41,874.63 = 16,915.25 : x
  2. Step 2: Convert to fraction form
    30,344.24/41,874.63 = 16,915.25/x
  3. Step 3: Cross multiply
    30,344.24x = 41,874.63 × 16,915.25
  4. Step 4: Simplify right side
    30,344.24x = 708,319,835.11
  5. Step 5: Solve for x
    x = 708,319,835.11/30,344.24
  6. Step 6: Final answer
    x = 23,342.81

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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.