Home / 36,123.92-49,857.45-21,786.29

Finding the Fourth Proportional to 36,123.92, 49,857.45 and 21,786.29

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Solution

The fourth proportional to 36,123.92, 49,857.45 and 21,786.29 is: 30,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.92 : 49,857.45 = 21,786.29 : x
  2. Step 2: Convert to fraction form
    36,123.92/49,857.45 = 21,786.29/x
  3. Step 3: Cross multiply
    36,123.92x = 49,857.45 × 21,786.29
  4. Step 4: Simplify right side
    36,123.92x = 1,086,208,864.36
  5. Step 5: Solve for x
    x = 1,086,208,864.36/36,123.92
  6. Step 6: Final answer
    x = 30,068.96

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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.