Home / 36,018.12-53,951.83-28,959.91

Finding the Fourth Proportional to 36,018.12, 53,951.83 and 28,959.91

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Solution

The fourth proportional to 36,018.12, 53,951.83 and 28,959.91 is: 43,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.12 : 53,951.83 = 28,959.91 : x
  2. Step 2: Convert to fraction form
    36,018.12/53,951.83 = 28,959.91/x
  3. Step 3: Cross multiply
    36,018.12x = 53,951.83 × 28,959.91
  4. Step 4: Simplify right side
    36,018.12x = 1,562,439,996.34
  5. Step 5: Solve for x
    x = 1,562,439,996.34/36,018.12
  6. Step 6: Final answer
    x = 43,379.28

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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.