Home / 38,084.96-57,140.40-19,604

Finding the Fourth Proportional to 38,084.96, 57,140.40 and 19,604

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Solution

The fourth proportional to 38,084.96, 57,140.40 and 19,604 is: 29,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,084.96 : 57,140.40 = 19,604 : x
  2. Step 2: Convert to fraction form
    38,084.96/57,140.40 = 19,604/x
  3. Step 3: Cross multiply
    38,084.96x = 57,140.40 × 19,604
  4. Step 4: Simplify right side
    38,084.96x = 1,120,180,401.60
  5. Step 5: Solve for x
    x = 1,120,180,401.60/38,084.96
  6. Step 6: Final answer
    x = 29,412.67

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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.