Home / 43,171.86-64,735.58-19,778.24

Finding the Fourth Proportional to 43,171.86, 64,735.58 and 19,778.24

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Solution

The fourth proportional to 43,171.86, 64,735.58 and 19,778.24 is: 29,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.86 : 64,735.58 = 19,778.24 : x
  2. Step 2: Convert to fraction form
    43,171.86/64,735.58 = 19,778.24/x
  3. Step 3: Cross multiply
    43,171.86x = 64,735.58 × 19,778.24
  4. Step 4: Simplify right side
    43,171.86x = 1,280,355,837.78
  5. Step 5: Solve for x
    x = 1,280,355,837.78/43,171.86
  6. Step 6: Final answer
    x = 29,657.18

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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.