Home / 30,119.10-45,180.06-14,549.82

Finding the Fourth Proportional to 30,119.10, 45,180.06 and 14,549.82

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Solution

The fourth proportional to 30,119.10, 45,180.06 and 14,549.82 is: 21,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.10 : 45,180.06 = 14,549.82 : x
  2. Step 2: Convert to fraction form
    30,119.10/45,180.06 = 14,549.82/x
  3. Step 3: Cross multiply
    30,119.10x = 45,180.06 × 14,549.82
  4. Step 4: Simplify right side
    30,119.10x = 657,361,740.59
  5. Step 5: Solve for x
    x = 657,361,740.59/30,119.10
  6. Step 6: Final answer
    x = 21,825.41

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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.