Home / 30,725.20-46,076.28-13,186

Finding the Fourth Proportional to 30,725.20, 46,076.28 and 13,186

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Solution

The fourth proportional to 30,725.20, 46,076.28 and 13,186 is: 19,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.20 : 46,076.28 = 13,186 : x
  2. Step 2: Convert to fraction form
    30,725.20/46,076.28 = 13,186/x
  3. Step 3: Cross multiply
    30,725.20x = 46,076.28 × 13,186
  4. Step 4: Simplify right side
    30,725.20x = 607,561,828.08
  5. Step 5: Solve for x
    x = 607,561,828.08/30,725.20
  6. Step 6: Final answer
    x = 19,774.06

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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.