Home / 30,391.70-45,501.73-16,127.91

Finding the Fourth Proportional to 30,391.70, 45,501.73 and 16,127.91

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Solution

The fourth proportional to 30,391.70, 45,501.73 and 16,127.91 is: 24,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.70 : 45,501.73 = 16,127.91 : x
  2. Step 2: Convert to fraction form
    30,391.70/45,501.73 = 16,127.91/x
  3. Step 3: Cross multiply
    30,391.70x = 45,501.73 × 16,127.91
  4. Step 4: Simplify right side
    30,391.70x = 733,847,765.96
  5. Step 5: Solve for x
    x = 733,847,765.96/30,391.70
  6. Step 6: Final answer
    x = 24,146.33

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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.