Home / 30,376-41,920.10-16,948.43

Finding the Fourth Proportional to 30,376, 41,920.10 and 16,948.43

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Solution

The fourth proportional to 30,376, 41,920.10 and 16,948.43 is: 23,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376 : 41,920.10 = 16,948.43 : x
  2. Step 2: Convert to fraction form
    30,376/41,920.10 = 16,948.43/x
  3. Step 3: Cross multiply
    30,376x = 41,920.10 × 16,948.43
  4. Step 4: Simplify right side
    30,376x = 710,479,880.44
  5. Step 5: Solve for x
    x = 710,479,880.44/30,376
  6. Step 6: Final answer
    x = 23,389.51

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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.