Home / 34,027.92-46,957.32-19,890

Finding the Fourth Proportional to 34,027.92, 46,957.32 and 19,890

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Solution

The fourth proportional to 34,027.92, 46,957.32 and 19,890 is: 27,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,027.92 : 46,957.32 = 19,890 : x
  2. Step 2: Convert to fraction form
    34,027.92/46,957.32 = 19,890/x
  3. Step 3: Cross multiply
    34,027.92x = 46,957.32 × 19,890
  4. Step 4: Simplify right side
    34,027.92x = 933,981,094.80
  5. Step 5: Solve for x
    x = 933,981,094.80/34,027.92
  6. Step 6: Final answer
    x = 27,447.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.