Home / 37,107.78-51,208.16-20,111.62

Finding the Fourth Proportional to 37,107.78, 51,208.16 and 20,111.62

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Solution

The fourth proportional to 37,107.78, 51,208.16 and 20,111.62 is: 27,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.78 : 51,208.16 = 20,111.62 : x
  2. Step 2: Convert to fraction form
    37,107.78/51,208.16 = 20,111.62/x
  3. Step 3: Cross multiply
    37,107.78x = 51,208.16 × 20,111.62
  4. Step 4: Simplify right side
    37,107.78x = 1,029,879,054.82
  5. Step 5: Solve for x
    x = 1,029,879,054.82/37,107.78
  6. Step 6: Final answer
    x = 27,753.72

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1.5x scale

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.