Home / 39,324.78-58,986.54-14,364.72

Finding the Fourth Proportional to 39,324.78, 58,986.54 and 14,364.72

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Solution

The fourth proportional to 39,324.78, 58,986.54 and 14,364.72 is: 21,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,324.78 : 58,986.54 = 14,364.72 : x
  2. Step 2: Convert to fraction form
    39,324.78/58,986.54 = 14,364.72/x
  3. Step 3: Cross multiply
    39,324.78x = 58,986.54 × 14,364.72
  4. Step 4: Simplify right side
    39,324.78x = 847,325,130.87
  5. Step 5: Solve for x
    x = 847,325,130.87/39,324.78
  6. Step 6: Final answer
    x = 21,546.85

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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.