Home / 38,789.69-58,173.26-17,718.55

Finding the Fourth Proportional to 38,789.69, 58,173.26 and 17,718.55

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Solution

The fourth proportional to 38,789.69, 58,173.26 and 17,718.55 is: 26,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.69 : 58,173.26 = 17,718.55 : x
  2. Step 2: Convert to fraction form
    38,789.69/58,173.26 = 17,718.55/x
  3. Step 3: Cross multiply
    38,789.69x = 58,173.26 × 17,718.55
  4. Step 4: Simplify right side
    38,789.69x = 1,030,745,581.95
  5. Step 5: Solve for x
    x = 1,030,745,581.95/38,789.69
  6. Step 6: Final answer
    x = 26,572.67

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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.