Home / 43,629.08-65,390.70-19,904.12

Finding the Fourth Proportional to 43,629.08, 65,390.70 and 19,904.12

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Solution

The fourth proportional to 43,629.08, 65,390.70 and 19,904.12 is: 29,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,629.08 : 65,390.70 = 19,904.12 : x
  2. Step 2: Convert to fraction form
    43,629.08/65,390.70 = 19,904.12/x
  3. Step 3: Cross multiply
    43,629.08x = 65,390.70 × 19,904.12
  4. Step 4: Simplify right side
    43,629.08x = 1,301,544,332.59
  5. Step 5: Solve for x
    x = 1,301,544,332.59/43,629.08
  6. Step 6: Final answer
    x = 29,832.04

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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.