Home / 30,725.22-46,088.71-8,540.22

Finding the Fourth Proportional to 30,725.22, 46,088.71 and 8,540.22

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Solution

The fourth proportional to 30,725.22, 46,088.71 and 8,540.22 is: 12,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.22 : 46,088.71 = 8,540.22 : x
  2. Step 2: Convert to fraction form
    30,725.22/46,088.71 = 8,540.22/x
  3. Step 3: Cross multiply
    30,725.22x = 46,088.71 × 8,540.22
  4. Step 4: Simplify right side
    30,725.22x = 393,607,722.92
  5. Step 5: Solve for x
    x = 393,607,722.92/30,725.22
  6. Step 6: Final answer
    x = 12,810.57

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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.