Home / 45,392.44-68,088.66-12,112.63

Finding the Fourth Proportional to 45,392.44, 68,088.66 and 12,112.63

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Solution

The fourth proportional to 45,392.44, 68,088.66 and 12,112.63 is: 18,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,392.44 : 68,088.66 = 12,112.63 : x
  2. Step 2: Convert to fraction form
    45,392.44/68,088.66 = 12,112.63/x
  3. Step 3: Cross multiply
    45,392.44x = 68,088.66 × 12,112.63
  4. Step 4: Simplify right side
    45,392.44x = 824,732,745.78
  5. Step 5: Solve for x
    x = 824,732,745.78/45,392.44
  6. Step 6: Final answer
    x = 18,168.95

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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.