Home / 30,330.92-41,856.09-16,901.88

Finding the Fourth Proportional to 30,330.92, 41,856.09 and 16,901.88

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Solution

The fourth proportional to 30,330.92, 41,856.09 and 16,901.88 is: 23,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.92 : 41,856.09 = 16,901.88 : x
  2. Step 2: Convert to fraction form
    30,330.92/41,856.09 = 16,901.88/x
  3. Step 3: Cross multiply
    30,330.92x = 41,856.09 × 16,901.88
  4. Step 4: Simplify right side
    30,330.92x = 707,446,610.45
  5. Step 5: Solve for x
    x = 707,446,610.45/30,330.92
  6. Step 6: Final answer
    x = 23,324.28

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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.