Home / 40,161.93-55,423.79-22,257.23

Finding the Fourth Proportional to 40,161.93, 55,423.79 and 22,257.23

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Solution

The fourth proportional to 40,161.93, 55,423.79 and 22,257.23 is: 30,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.93 : 55,423.79 = 22,257.23 : x
  2. Step 2: Convert to fraction form
    40,161.93/55,423.79 = 22,257.23/x
  3. Step 3: Cross multiply
    40,161.93x = 55,423.79 × 22,257.23
  4. Step 4: Simplify right side
    40,161.93x = 1,233,579,653.10
  5. Step 5: Solve for x
    x = 1,233,579,653.10/40,161.93
  6. Step 6: Final answer
    x = 30,715.15

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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.