Home / 39,111.36-58,631.95-14,145.54

Finding the Fourth Proportional to 39,111.36, 58,631.95 and 14,145.54

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Solution

The fourth proportional to 39,111.36, 58,631.95 and 14,145.54 is: 21,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.36 : 58,631.95 = 14,145.54 : x
  2. Step 2: Convert to fraction form
    39,111.36/58,631.95 = 14,145.54/x
  3. Step 3: Cross multiply
    39,111.36x = 58,631.95 × 14,145.54
  4. Step 4: Simplify right side
    39,111.36x = 829,380,391.82
  5. Step 5: Solve for x
    x = 829,380,391.82/39,111.36
  6. Step 6: Final answer
    x = 21,205.62

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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.