Home / 38,919.11-53,709.69-23,017.19

Finding the Fourth Proportional to 38,919.11, 53,709.69 and 23,017.19

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Solution

The fourth proportional to 38,919.11, 53,709.69 and 23,017.19 is: 31,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.11 : 53,709.69 = 23,017.19 : x
  2. Step 2: Convert to fraction form
    38,919.11/53,709.69 = 23,017.19/x
  3. Step 3: Cross multiply
    38,919.11x = 53,709.69 × 23,017.19
  4. Step 4: Simplify right side
    38,919.11x = 1,236,246,139.57
  5. Step 5: Solve for x
    x = 1,236,246,139.57/38,919.11
  6. Step 6: Final answer
    x = 31,764.50

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Why These Related Problems?

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