Home / 30,358.36-41,894.78-16,930.48

Finding the Fourth Proportional to 30,358.36, 41,894.78 and 16,930.48

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Solution

The fourth proportional to 30,358.36, 41,894.78 and 16,930.48 is: 23,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.36 : 41,894.78 = 16,930.48 : x
  2. Step 2: Convert to fraction form
    30,358.36/41,894.78 = 16,930.48/x
  3. Step 3: Cross multiply
    30,358.36x = 41,894.78 × 16,930.48
  4. Step 4: Simplify right side
    30,358.36x = 709,298,734.89
  5. Step 5: Solve for x
    x = 709,298,734.89/30,358.36
  6. Step 6: Final answer
    x = 23,364.20

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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.