Home / 43,635.30-65,400.01-19,910.32

Finding the Fourth Proportional to 43,635.30, 65,400.01 and 19,910.32

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Solution

The fourth proportional to 43,635.30, 65,400.01 and 19,910.32 is: 29,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.30 : 65,400.01 = 19,910.32 : x
  2. Step 2: Convert to fraction form
    43,635.30/65,400.01 = 19,910.32/x
  3. Step 3: Cross multiply
    43,635.30x = 65,400.01 × 19,910.32
  4. Step 4: Simplify right side
    43,635.30x = 1,302,135,127.10
  5. Step 5: Solve for x
    x = 1,302,135,127.10/43,635.30
  6. Step 6: Final answer
    x = 29,841.32

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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.