Home / 66,330.24-99,428.88-30,816.54

Finding the Fourth Proportional to 66,330.24, 99,428.88 and 30,816.54

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Solution

The fourth proportional to 66,330.24, 99,428.88 and 30,816.54 is: 46,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.24 : 99,428.88 = 30,816.54 : x
  2. Step 2: Convert to fraction form
    66,330.24/99,428.88 = 30,816.54/x
  3. Step 3: Cross multiply
    66,330.24x = 99,428.88 × 30,816.54
  4. Step 4: Simplify right side
    66,330.24x = 3,064,054,057.68
  5. Step 5: Solve for x
    x = 3,064,054,057.68/66,330.24
  6. Step 6: Final answer
    x = 46,193.92

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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.