Home / 39,489.93-59,181.44-19,782.63

Finding the Fourth Proportional to 39,489.93, 59,181.44 and 19,782.63

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Solution

The fourth proportional to 39,489.93, 59,181.44 and 19,782.63 is: 29,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.93 : 59,181.44 = 19,782.63 : x
  2. Step 2: Convert to fraction form
    39,489.93/59,181.44 = 19,782.63/x
  3. Step 3: Cross multiply
    39,489.93x = 59,181.44 × 19,782.63
  4. Step 4: Simplify right side
    39,489.93x = 1,170,764,431.47
  5. Step 5: Solve for x
    x = 1,170,764,431.47/39,489.93
  6. Step 6: Final answer
    x = 29,647.16

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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.