Home / 30,176.28-45,246.78-9,110.03

Finding the Fourth Proportional to 30,176.28, 45,246.78 and 9,110.03

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Solution

The fourth proportional to 30,176.28, 45,246.78 and 9,110.03 is: 13,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.28 : 45,246.78 = 9,110.03 : x
  2. Step 2: Convert to fraction form
    30,176.28/45,246.78 = 9,110.03/x
  3. Step 3: Cross multiply
    30,176.28x = 45,246.78 × 9,110.03
  4. Step 4: Simplify right side
    30,176.28x = 412,199,296.97
  5. Step 5: Solve for x
    x = 412,199,296.97/30,176.28
  6. Step 6: Final answer
    x = 13,659.71

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1.5x scale

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.