Home / 37,108.31-55,612.04-20,443.37

Finding the Fourth Proportional to 37,108.31, 55,612.04 and 20,443.37

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Solution

The fourth proportional to 37,108.31, 55,612.04 and 20,443.37 is: 30,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,108.31 : 55,612.04 = 20,443.37 : x
  2. Step 2: Convert to fraction form
    37,108.31/55,612.04 = 20,443.37/x
  3. Step 3: Cross multiply
    37,108.31x = 55,612.04 × 20,443.37
  4. Step 4: Simplify right side
    37,108.31x = 1,136,897,129.90
  5. Step 5: Solve for x
    x = 1,136,897,129.90/37,108.31
  6. Step 6: Final answer
    x = 30,637.27

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1.5x scale

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.