Home / 34,629.36-47,777.88-21,186.60

Finding the Fourth Proportional to 34,629.36, 47,777.88 and 21,186.60

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Solution

The fourth proportional to 34,629.36, 47,777.88 and 21,186.60 is: 29,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,629.36 : 47,777.88 = 21,186.60 : x
  2. Step 2: Convert to fraction form
    34,629.36/47,777.88 = 21,186.60/x
  3. Step 3: Cross multiply
    34,629.36x = 47,777.88 × 21,186.60
  4. Step 4: Simplify right side
    34,629.36x = 1,012,250,832.41
  5. Step 5: Solve for x
    x = 1,012,250,832.41/34,629.36
  6. Step 6: Final answer
    x = 29,231.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.