Home / 40,409.56-60,616.68-12,707.56

Finding the Fourth Proportional to 40,409.56, 60,616.68 and 12,707.56

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Solution

The fourth proportional to 40,409.56, 60,616.68 and 12,707.56 is: 19,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,409.56 : 60,616.68 = 12,707.56 : x
  2. Step 2: Convert to fraction form
    40,409.56/60,616.68 = 12,707.56/x
  3. Step 3: Cross multiply
    40,409.56x = 60,616.68 × 12,707.56
  4. Step 4: Simplify right side
    40,409.56x = 770,290,098.10
  5. Step 5: Solve for x
    x = 770,290,098.10/40,409.56
  6. Step 6: Final answer
    x = 19,062.08

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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.