Home / 40,389.10-60,583.68-19,324.19

Finding the Fourth Proportional to 40,389.10, 60,583.68 and 19,324.19

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Solution

The fourth proportional to 40,389.10, 60,583.68 and 19,324.19 is: 28,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.10 : 60,583.68 = 19,324.19 : x
  2. Step 2: Convert to fraction form
    40,389.10/60,583.68 = 19,324.19/x
  3. Step 3: Cross multiply
    40,389.10x = 60,583.68 × 19,324.19
  4. Step 4: Simplify right side
    40,389.10x = 1,170,730,694.68
  5. Step 5: Solve for x
    x = 1,170,730,694.68/40,389.10
  6. Step 6: Final answer
    x = 28,986.30

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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.