Home / 30,358.18-41,894.51-16,930.30

Finding the Fourth Proportional to 30,358.18, 41,894.51 and 16,930.30

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Solution

The fourth proportional to 30,358.18, 41,894.51 and 16,930.30 is: 23,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.18 : 41,894.51 = 16,930.30 : x
  2. Step 2: Convert to fraction form
    30,358.18/41,894.51 = 16,930.30/x
  3. Step 3: Cross multiply
    30,358.18x = 41,894.51 × 16,930.30
  4. Step 4: Simplify right side
    30,358.18x = 709,286,622.65
  5. Step 5: Solve for x
    x = 709,286,622.65/30,358.18
  6. Step 6: Final answer
    x = 23,363.94

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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.