Home / 39,887.16-59,828.58-12,183

Finding the Fourth Proportional to 39,887.16, 59,828.58 and 12,183

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Solution

The fourth proportional to 39,887.16, 59,828.58 and 12,183 is: 18,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.16 : 59,828.58 = 12,183 : x
  2. Step 2: Convert to fraction form
    39,887.16/59,828.58 = 12,183/x
  3. Step 3: Cross multiply
    39,887.16x = 59,828.58 × 12,183
  4. Step 4: Simplify right side
    39,887.16x = 728,891,590.14
  5. Step 5: Solve for x
    x = 728,891,590.14/39,887.16
  6. Step 6: Final answer
    x = 18,273.84

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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.