Home / 36,960.75-55,449.90-12,000.87

Finding the Fourth Proportional to 36,960.75, 55,449.90 and 12,000.87

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Solution

The fourth proportional to 36,960.75, 55,449.90 and 12,000.87 is: 18,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,960.75 : 55,449.90 = 12,000.87 : x
  2. Step 2: Convert to fraction form
    36,960.75/55,449.90 = 12,000.87/x
  3. Step 3: Cross multiply
    36,960.75x = 55,449.90 × 12,000.87
  4. Step 4: Simplify right side
    36,960.75x = 665,447,041.41
  5. Step 5: Solve for x
    x = 665,447,041.41/36,960.75
  6. Step 6: Final answer
    x = 18,004.15

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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.