Home / 30,313.45-41,833.56-16,700.77

Finding the Fourth Proportional to 30,313.45, 41,833.56 and 16,700.77

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Solution

The fourth proportional to 30,313.45, 41,833.56 and 16,700.77 is: 23,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.45 : 41,833.56 = 16,700.77 : x
  2. Step 2: Convert to fraction form
    30,313.45/41,833.56 = 16,700.77/x
  3. Step 3: Cross multiply
    30,313.45x = 41,833.56 × 16,700.77
  4. Step 4: Simplify right side
    30,313.45x = 698,652,663.84
  5. Step 5: Solve for x
    x = 698,652,663.84/30,313.45
  6. Step 6: Final answer
    x = 23,047.61

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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.