Home / 30,283.30-41,790.65-16,854.34

Finding the Fourth Proportional to 30,283.30, 41,790.65 and 16,854.34

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Solution

The fourth proportional to 30,283.30, 41,790.65 and 16,854.34 is: 23,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.30 : 41,790.65 = 16,854.34 : x
  2. Step 2: Convert to fraction form
    30,283.30/41,790.65 = 16,854.34/x
  3. Step 3: Cross multiply
    30,283.30x = 41,790.65 × 16,854.34
  4. Step 4: Simplify right side
    30,283.30x = 704,353,823.92
  5. Step 5: Solve for x
    x = 704,353,823.92/30,283.30
  6. Step 6: Final answer
    x = 23,258.82

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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.