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Finding the Fourth Proportional to 54,816.67, 82,225.01 and 13,263.67

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Solution

The fourth proportional to 54,816.67, 82,225.01 and 13,263.67 is: 19,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.67 : 82,225.01 = 13,263.67 : x
  2. Step 2: Convert to fraction form
    54,816.67/82,225.01 = 13,263.67/x
  3. Step 3: Cross multiply
    54,816.67x = 82,225.01 × 13,263.67
  4. Step 4: Simplify right side
    54,816.67x = 1,090,605,486.77
  5. Step 5: Solve for x
    x = 1,090,605,486.77/54,816.67
  6. Step 6: Final answer
    x = 19,895.51

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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.