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Finding the Fourth Proportional to 51,328.84, 70,813.92 and 30,100.36

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Solution

The fourth proportional to 51,328.84, 70,813.92 and 30,100.36 is: 41,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,328.84 : 70,813.92 = 30,100.36 : x
  2. Step 2: Convert to fraction form
    51,328.84/70,813.92 = 30,100.36/x
  3. Step 3: Cross multiply
    51,328.84x = 70,813.92 × 30,100.36
  4. Step 4: Simplify right side
    51,328.84x = 2,131,524,485.01
  5. Step 5: Solve for x
    x = 2,131,524,485.01/51,328.84
  6. Step 6: Final answer
    x = 41,526.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.