Home / 40,128.46-60,192.97-12,048.73

Finding the Fourth Proportional to 40,128.46, 60,192.97 and 12,048.73

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Solution

The fourth proportional to 40,128.46, 60,192.97 and 12,048.73 is: 18,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128.46 : 60,192.97 = 12,048.73 : x
  2. Step 2: Convert to fraction form
    40,128.46/60,192.97 = 12,048.73/x
  3. Step 3: Cross multiply
    40,128.46x = 60,192.97 × 12,048.73
  4. Step 4: Simplify right side
    40,128.46x = 725,248,662.82
  5. Step 5: Solve for x
    x = 725,248,662.82/40,128.46
  6. Step 6: Final answer
    x = 18,073.18

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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.