Home / 36,807.26-55,211.18-20,158.21

Finding the Fourth Proportional to 36,807.26, 55,211.18 and 20,158.21

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Solution

The fourth proportional to 36,807.26, 55,211.18 and 20,158.21 is: 30,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,807.26 : 55,211.18 = 20,158.21 : x
  2. Step 2: Convert to fraction form
    36,807.26/55,211.18 = 20,158.21/x
  3. Step 3: Cross multiply
    36,807.26x = 55,211.18 × 20,158.21
  4. Step 4: Simplify right side
    36,807.26x = 1,112,958,655.00
  5. Step 5: Solve for x
    x = 1,112,958,655.00/36,807.26
  6. Step 6: Final answer
    x = 30,237.47

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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.