Home / 29,313.04-40,450.08-18,701.54

Finding the Fourth Proportional to 29,313.04, 40,450.08 and 18,701.54

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Solution

The fourth proportional to 29,313.04, 40,450.08 and 18,701.54 is: 25,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.04 : 40,450.08 = 18,701.54 : x
  2. Step 2: Convert to fraction form
    29,313.04/40,450.08 = 18,701.54/x
  3. Step 3: Cross multiply
    29,313.04x = 40,450.08 × 18,701.54
  4. Step 4: Simplify right side
    29,313.04x = 756,478,586.87
  5. Step 5: Solve for x
    x = 756,478,586.87/29,313.04
  6. Step 6: Final answer
    x = 25,806.90

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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.