Home / 37,108.40-51,208.62-20,111.90

Finding the Fourth Proportional to 37,108.40, 51,208.62 and 20,111.90

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Solution

The fourth proportional to 37,108.40, 51,208.62 and 20,111.90 is: 27,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,108.40 : 51,208.62 = 20,111.90 : x
  2. Step 2: Convert to fraction form
    37,108.40/51,208.62 = 20,111.90/x
  3. Step 3: Cross multiply
    37,108.40x = 51,208.62 × 20,111.90
  4. Step 4: Simplify right side
    37,108.40x = 1,029,902,644.58
  5. Step 5: Solve for x
    x = 1,029,902,644.58/37,108.40
  6. Step 6: Final answer
    x = 27,753.90

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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.