Home / 37,270.08-55,900.80-20,408.16

Finding the Fourth Proportional to 37,270.08, 55,900.80 and 20,408.16

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Solution

The fourth proportional to 37,270.08, 55,900.80 and 20,408.16 is: 30,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.08 : 55,900.80 = 20,408.16 : x
  2. Step 2: Convert to fraction form
    37,270.08/55,900.80 = 20,408.16/x
  3. Step 3: Cross multiply
    37,270.08x = 55,900.80 × 20,408.16
  4. Step 4: Simplify right side
    37,270.08x = 1,140,832,470.53
  5. Step 5: Solve for x
    x = 1,140,832,470.53/37,270.08
  6. Step 6: Final answer
    x = 30,609.87

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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.