Home / 41,009.36-61,514.64-12,928.88

Finding the Fourth Proportional to 41,009.36, 61,514.64 and 12,928.88

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Solution

The fourth proportional to 41,009.36, 61,514.64 and 12,928.88 is: 19,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,009.36 : 61,514.64 = 12,928.88 : x
  2. Step 2: Convert to fraction form
    41,009.36/61,514.64 = 12,928.88/x
  3. Step 3: Cross multiply
    41,009.36x = 61,514.64 × 12,928.88
  4. Step 4: Simplify right side
    41,009.36x = 795,315,398.80
  5. Step 5: Solve for x
    x = 795,315,398.80/41,009.36
  6. Step 6: Final answer
    x = 19,393.51

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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.