Home / 38,969.61-58,419.33-14,003.79

Finding the Fourth Proportional to 38,969.61, 58,419.33 and 14,003.79

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Solution

The fourth proportional to 38,969.61, 58,419.33 and 14,003.79 is: 20,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969.61 : 58,419.33 = 14,003.79 : x
  2. Step 2: Convert to fraction form
    38,969.61/58,419.33 = 14,003.79/x
  3. Step 3: Cross multiply
    38,969.61x = 58,419.33 × 14,003.79
  4. Step 4: Simplify right side
    38,969.61x = 818,091,757.67
  5. Step 5: Solve for x
    x = 818,091,757.67/38,969.61
  6. Step 6: Final answer
    x = 20,993.07

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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.