Home / 35,321.76-52,920.36-18,645.04

Finding the Fourth Proportional to 35,321.76, 52,920.36 and 18,645.04

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Solution

The fourth proportional to 35,321.76, 52,920.36 and 18,645.04 is: 27,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.76 : 52,920.36 = 18,645.04 : x
  2. Step 2: Convert to fraction form
    35,321.76/52,920.36 = 18,645.04/x
  3. Step 3: Cross multiply
    35,321.76x = 52,920.36 × 18,645.04
  4. Step 4: Simplify right side
    35,321.76x = 986,702,229.01
  5. Step 5: Solve for x
    x = 986,702,229.01/35,321.76
  6. Step 6: Final answer
    x = 27,934.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.