Home / 39,202.64-58,920.60-18,440.72

Finding the Fourth Proportional to 39,202.64, 58,920.60 and 18,440.72

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Solution

The fourth proportional to 39,202.64, 58,920.60 and 18,440.72 is: 27,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.64 : 58,920.60 = 18,440.72 : x
  2. Step 2: Convert to fraction form
    39,202.64/58,920.60 = 18,440.72/x
  3. Step 3: Cross multiply
    39,202.64x = 58,920.60 × 18,440.72
  4. Step 4: Simplify right side
    39,202.64x = 1,086,537,900.03
  5. Step 5: Solve for x
    x = 1,086,537,900.03/39,202.64
  6. Step 6: Final answer
    x = 27,715.94

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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.