Home / 36,391.52-54,616.70-18,866.36

Finding the Fourth Proportional to 36,391.52, 54,616.70 and 18,866.36

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Solution

The fourth proportional to 36,391.52, 54,616.70 and 18,866.36 is: 28,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,391.52 : 54,616.70 = 18,866.36 : x
  2. Step 2: Convert to fraction form
    36,391.52/54,616.70 = 18,866.36/x
  3. Step 3: Cross multiply
    36,391.52x = 54,616.70 × 18,866.36
  4. Step 4: Simplify right side
    36,391.52x = 1,030,418,324.21
  5. Step 5: Solve for x
    x = 1,030,418,324.21/36,391.52
  6. Step 6: Final answer
    x = 28,314.79

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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.