Home / 30,124.33-45,185.81-10,401.03

Finding the Fourth Proportional to 30,124.33, 45,185.81 and 10,401.03

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Solution

The fourth proportional to 30,124.33, 45,185.81 and 10,401.03 is: 15,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.33 : 45,185.81 = 10,401.03 : x
  2. Step 2: Convert to fraction form
    30,124.33/45,185.81 = 10,401.03/x
  3. Step 3: Cross multiply
    30,124.33x = 45,185.81 × 10,401.03
  4. Step 4: Simplify right side
    30,124.33x = 469,978,965.38
  5. Step 5: Solve for x
    x = 469,978,965.38/30,124.33
  6. Step 6: Final answer
    x = 15,601.31

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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.