Home / 30,186.56-45,281.68-10,194.40

Finding the Fourth Proportional to 30,186.56, 45,281.68 and 10,194.40

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Solution

The fourth proportional to 30,186.56, 45,281.68 and 10,194.40 is: 15,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.56 : 45,281.68 = 10,194.40 : x
  2. Step 2: Convert to fraction form
    30,186.56/45,281.68 = 10,194.40/x
  3. Step 3: Cross multiply
    30,186.56x = 45,281.68 × 10,194.40
  4. Step 4: Simplify right side
    30,186.56x = 461,619,558.59
  5. Step 5: Solve for x
    x = 461,619,558.59/30,186.56
  6. Step 6: Final answer
    x = 15,292.22

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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.