Home / 37,188.90-55,727.98-20,553.72

Finding the Fourth Proportional to 37,188.90, 55,727.98 and 20,553.72

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Solution

The fourth proportional to 37,188.90, 55,727.98 and 20,553.72 is: 30,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,188.90 : 55,727.98 = 20,553.72 : x
  2. Step 2: Convert to fraction form
    37,188.90/55,727.98 = 20,553.72/x
  3. Step 3: Cross multiply
    37,188.90x = 55,727.98 × 20,553.72
  4. Step 4: Simplify right side
    37,188.90x = 1,145,417,297.09
  5. Step 5: Solve for x
    x = 1,145,417,297.09/37,188.90
  6. Step 6: Final answer
    x = 30,799.98

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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.