Home / 30,664.05-45,975.42-10,668.39

Finding the Fourth Proportional to 30,664.05, 45,975.42 and 10,668.39

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Solution

The fourth proportional to 30,664.05, 45,975.42 and 10,668.39 is: 15,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.05 : 45,975.42 = 10,668.39 : x
  2. Step 2: Convert to fraction form
    30,664.05/45,975.42 = 10,668.39/x
  3. Step 3: Cross multiply
    30,664.05x = 45,975.42 × 10,668.39
  4. Step 4: Simplify right side
    30,664.05x = 490,483,710.97
  5. Step 5: Solve for x
    x = 490,483,710.97/30,664.05
  6. Step 6: Final answer
    x = 15,995.40

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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.