Home / 38,004.79-57,007.32-11,709.40

Finding the Fourth Proportional to 38,004.79, 57,007.32 and 11,709.40

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Solution

The fourth proportional to 38,004.79, 57,007.32 and 11,709.40 is: 17,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,004.79 : 57,007.32 = 11,709.40 : x
  2. Step 2: Convert to fraction form
    38,004.79/57,007.32 = 11,709.40/x
  3. Step 3: Cross multiply
    38,004.79x = 57,007.32 × 11,709.40
  4. Step 4: Simplify right side
    38,004.79x = 667,521,512.81
  5. Step 5: Solve for x
    x = 667,521,512.81/38,004.79
  6. Step 6: Final answer
    x = 17,564.14

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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.