Home / 36,854.48-50,859.72-20,939.36

Finding the Fourth Proportional to 36,854.48, 50,859.72 and 20,939.36

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Solution

The fourth proportional to 36,854.48, 50,859.72 and 20,939.36 is: 28,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,854.48 : 50,859.72 = 20,939.36 : x
  2. Step 2: Convert to fraction form
    36,854.48/50,859.72 = 20,939.36/x
  3. Step 3: Cross multiply
    36,854.48x = 50,859.72 × 20,939.36
  4. Step 4: Simplify right side
    36,854.48x = 1,064,969,986.58
  5. Step 5: Solve for x
    x = 1,064,969,986.58/36,854.48
  6. Step 6: Final answer
    x = 28,896.62

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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.