Home / 36,678.83-54,999.41-17,930.57

Finding the Fourth Proportional to 36,678.83, 54,999.41 and 17,930.57

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Solution

The fourth proportional to 36,678.83, 54,999.41 and 17,930.57 is: 26,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.83 : 54,999.41 = 17,930.57 : x
  2. Step 2: Convert to fraction form
    36,678.83/54,999.41 = 17,930.57/x
  3. Step 3: Cross multiply
    36,678.83x = 54,999.41 × 17,930.57
  4. Step 4: Simplify right side
    36,678.83x = 986,170,406.31
  5. Step 5: Solve for x
    x = 986,170,406.31/36,678.83
  6. Step 6: Final answer
    x = 26,886.64

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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.