Home / 36,150.24-54,222.16-12,775.52

Finding the Fourth Proportional to 36,150.24, 54,222.16 and 12,775.52

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Solution

The fourth proportional to 36,150.24, 54,222.16 and 12,775.52 is: 19,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.24 : 54,222.16 = 12,775.52 : x
  2. Step 2: Convert to fraction form
    36,150.24/54,222.16 = 12,775.52/x
  3. Step 3: Cross multiply
    36,150.24x = 54,222.16 × 12,775.52
  4. Step 4: Simplify right side
    36,150.24x = 692,716,289.52
  5. Step 5: Solve for x
    x = 692,716,289.52/36,150.24
  6. Step 6: Final answer
    x = 19,162.15

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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.