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Finding the Fourth Proportional to 30,263.93, 45,393.11 and 8,076.51

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Solution

The fourth proportional to 30,263.93, 45,393.11 and 8,076.51 is: 12,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.93 : 45,393.11 = 8,076.51 : x
  2. Step 2: Convert to fraction form
    30,263.93/45,393.11 = 8,076.51/x
  3. Step 3: Cross multiply
    30,263.93x = 45,393.11 × 8,076.51
  4. Step 4: Simplify right side
    30,263.93x = 366,617,896.75
  5. Step 5: Solve for x
    x = 366,617,896.75/30,263.93
  6. Step 6: Final answer
    x = 12,114.02

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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.