Home / 30,184.56-45,272.49-10,190.43

Finding the Fourth Proportional to 30,184.56, 45,272.49 and 10,190.43

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Solution

The fourth proportional to 30,184.56, 45,272.49 and 10,190.43 is: 15,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.56 : 45,272.49 = 10,190.43 : x
  2. Step 2: Convert to fraction form
    30,184.56/45,272.49 = 10,190.43/x
  3. Step 3: Cross multiply
    30,184.56x = 45,272.49 × 10,190.43
  4. Step 4: Simplify right side
    30,184.56x = 461,346,102.06
  5. Step 5: Solve for x
    x = 461,346,102.06/30,184.56
  6. Step 6: Final answer
    x = 15,284.17

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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.