Home / 36,009.04-54,018.96-12,631.36

Finding the Fourth Proportional to 36,009.04, 54,018.96 and 12,631.36

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Solution

The fourth proportional to 36,009.04, 54,018.96 and 12,631.36 is: 18,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.04 : 54,018.96 = 12,631.36 : x
  2. Step 2: Convert to fraction form
    36,009.04/54,018.96 = 12,631.36/x
  3. Step 3: Cross multiply
    36,009.04x = 54,018.96 × 12,631.36
  4. Step 4: Simplify right side
    36,009.04x = 682,332,930.59
  5. Step 5: Solve for x
    x = 682,332,930.59/36,009.04
  6. Step 6: Final answer
    x = 18,948.93

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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.