Home / 45,670.78-68,512.70-14,083.51

Finding the Fourth Proportional to 45,670.78, 68,512.70 and 14,083.51

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Solution

The fourth proportional to 45,670.78, 68,512.70 and 14,083.51 is: 21,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.78 : 68,512.70 = 14,083.51 : x
  2. Step 2: Convert to fraction form
    45,670.78/68,512.70 = 14,083.51/x
  3. Step 3: Cross multiply
    45,670.78x = 68,512.70 × 14,083.51
  4. Step 4: Simplify right side
    45,670.78x = 964,899,295.58
  5. Step 5: Solve for x
    x = 964,899,295.58/45,670.78
  6. Step 6: Final answer
    x = 21,127.28

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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.