Home / 51,433.55-77,150.31-21,830.61

Finding the Fourth Proportional to 51,433.55, 77,150.31 and 21,830.61

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Solution

The fourth proportional to 51,433.55, 77,150.31 and 21,830.61 is: 32,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.55 : 77,150.31 = 21,830.61 : x
  2. Step 2: Convert to fraction form
    51,433.55/77,150.31 = 21,830.61/x
  3. Step 3: Cross multiply
    51,433.55x = 77,150.31 × 21,830.61
  4. Step 4: Simplify right side
    51,433.55x = 1,684,238,536.44
  5. Step 5: Solve for x
    x = 1,684,238,536.44/51,433.55
  6. Step 6: Final answer
    x = 32,745.91

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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.