Home / 61,151.42-91,902.09-30,008.54

Finding the Fourth Proportional to 61,151.42, 91,902.09 and 30,008.54

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Solution

The fourth proportional to 61,151.42, 91,902.09 and 30,008.54 is: 45,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,151.42 : 91,902.09 = 30,008.54 : x
  2. Step 2: Convert to fraction form
    61,151.42/91,902.09 = 30,008.54/x
  3. Step 3: Cross multiply
    61,151.42x = 91,902.09 × 30,008.54
  4. Step 4: Simplify right side
    61,151.42x = 2,757,847,543.85
  5. Step 5: Solve for x
    x = 2,757,847,543.85/61,151.42
  6. Step 6: Final answer
    x = 45,098.67

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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.