Home / 29,087.78-43,623.03-10,621.22

Finding the Fourth Proportional to 29,087.78, 43,623.03 and 10,621.22

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Solution

The fourth proportional to 29,087.78, 43,623.03 and 10,621.22 is: 15,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.78 : 43,623.03 = 10,621.22 : x
  2. Step 2: Convert to fraction form
    29,087.78/43,623.03 = 10,621.22/x
  3. Step 3: Cross multiply
    29,087.78x = 43,623.03 × 10,621.22
  4. Step 4: Simplify right side
    29,087.78x = 463,329,798.70
  5. Step 5: Solve for x
    x = 463,329,798.70/29,087.78
  6. Step 6: Final answer
    x = 15,928.68

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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.