Home / 45,638.58-68,468.40-19,344.36

Finding the Fourth Proportional to 45,638.58, 68,468.40 and 19,344.36

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Solution

The fourth proportional to 45,638.58, 68,468.40 and 19,344.36 is: 29,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,638.58 : 68,468.40 = 19,344.36 : x
  2. Step 2: Convert to fraction form
    45,638.58/68,468.40 = 19,344.36/x
  3. Step 3: Cross multiply
    45,638.58x = 68,468.40 × 19,344.36
  4. Step 4: Simplify right side
    45,638.58x = 1,324,477,378.22
  5. Step 5: Solve for x
    x = 1,324,477,378.22/45,638.58
  6. Step 6: Final answer
    x = 29,021.00

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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.