Home / 30,164.43-45,240.69-10,171.97

Finding the Fourth Proportional to 30,164.43, 45,240.69 and 10,171.97

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Solution

The fourth proportional to 30,164.43, 45,240.69 and 10,171.97 is: 15,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.43 : 45,240.69 = 10,171.97 : x
  2. Step 2: Convert to fraction form
    30,164.43/45,240.69 = 10,171.97/x
  3. Step 3: Cross multiply
    30,164.43x = 45,240.69 × 10,171.97
  4. Step 4: Simplify right side
    30,164.43x = 460,186,941.46
  5. Step 5: Solve for x
    x = 460,186,941.46/30,164.43
  6. Step 6: Final answer
    x = 15,255.95

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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.