Home / 30,076.69-41,501.48-16,647.91

Finding the Fourth Proportional to 30,076.69, 41,501.48 and 16,647.91

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Solution

The fourth proportional to 30,076.69, 41,501.48 and 16,647.91 is: 22,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.69 : 41,501.48 = 16,647.91 : x
  2. Step 2: Convert to fraction form
    30,076.69/41,501.48 = 16,647.91/x
  3. Step 3: Cross multiply
    30,076.69x = 41,501.48 × 16,647.91
  4. Step 4: Simplify right side
    30,076.69x = 690,912,903.91
  5. Step 5: Solve for x
    x = 690,912,903.91/30,076.69
  6. Step 6: Final answer
    x = 22,971.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.