Home / 30,972.88-46,475.21-15,177.61

Finding the Fourth Proportional to 30,972.88, 46,475.21 and 15,177.61

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Solution

The fourth proportional to 30,972.88, 46,475.21 and 15,177.61 is: 22,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,972.88 : 46,475.21 = 15,177.61 : x
  2. Step 2: Convert to fraction form
    30,972.88/46,475.21 = 15,177.61/x
  3. Step 3: Cross multiply
    30,972.88x = 46,475.21 × 15,177.61
  4. Step 4: Simplify right side
    30,972.88x = 705,382,536.16
  5. Step 5: Solve for x
    x = 705,382,536.16/30,972.88
  6. Step 6: Final answer
    x = 22,774.20

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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.