Home / 50,751.01-76,148.40-21,174.67

Finding the Fourth Proportional to 50,751.01, 76,148.40 and 21,174.67

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Solution

The fourth proportional to 50,751.01, 76,148.40 and 21,174.67 is: 31,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.01 : 76,148.40 = 21,174.67 : x
  2. Step 2: Convert to fraction form
    50,751.01/76,148.40 = 21,174.67/x
  3. Step 3: Cross multiply
    50,751.01x = 76,148.40 × 21,174.67
  4. Step 4: Simplify right side
    50,751.01x = 1,612,417,241.03
  5. Step 5: Solve for x
    x = 1,612,417,241.03/50,751.01
  6. Step 6: Final answer
    x = 31,771.14

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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.