Home / 40,627.78-56,063.75-22,722.63

Finding the Fourth Proportional to 40,627.78, 56,063.75 and 22,722.63

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Solution

The fourth proportional to 40,627.78, 56,063.75 and 22,722.63 is: 31,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,627.78 : 56,063.75 = 22,722.63 : x
  2. Step 2: Convert to fraction form
    40,627.78/56,063.75 = 22,722.63/x
  3. Step 3: Cross multiply
    40,627.78x = 56,063.75 × 22,722.63
  4. Step 4: Simplify right side
    40,627.78x = 1,273,915,523.81
  5. Step 5: Solve for x
    x = 1,273,915,523.81/40,627.78
  6. Step 6: Final answer
    x = 31,355.78

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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.