Home / 39,176.40-58,764.60-11,474.40

Finding the Fourth Proportional to 39,176.40, 58,764.60 and 11,474.40

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Solution

The fourth proportional to 39,176.40, 58,764.60 and 11,474.40 is: 17,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.40 : 58,764.60 = 11,474.40 : x
  2. Step 2: Convert to fraction form
    39,176.40/58,764.60 = 11,474.40/x
  3. Step 3: Cross multiply
    39,176.40x = 58,764.60 × 11,474.40
  4. Step 4: Simplify right side
    39,176.40x = 674,288,526.24
  5. Step 5: Solve for x
    x = 674,288,526.24/39,176.40
  6. Step 6: Final answer
    x = 17,211.60

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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.