Home / 31,119.19-42,944.48-16,972.03

Finding the Fourth Proportional to 31,119.19, 42,944.48 and 16,972.03

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Solution

The fourth proportional to 31,119.19, 42,944.48 and 16,972.03 is: 23,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.19 : 42,944.48 = 16,972.03 : x
  2. Step 2: Convert to fraction form
    31,119.19/42,944.48 = 16,972.03/x
  3. Step 3: Cross multiply
    31,119.19x = 42,944.48 × 16,972.03
  4. Step 4: Simplify right side
    31,119.19x = 728,855,035.36
  5. Step 5: Solve for x
    x = 728,855,035.36/31,119.19
  6. Step 6: Final answer
    x = 23,421.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.