Home / 53,324.86-79,979.06-17,786.80

Finding the Fourth Proportional to 53,324.86, 79,979.06 and 17,786.80

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Solution

The fourth proportional to 53,324.86, 79,979.06 and 17,786.80 is: 26,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,324.86 : 79,979.06 = 17,786.80 : x
  2. Step 2: Convert to fraction form
    53,324.86/79,979.06 = 17,786.80/x
  3. Step 3: Cross multiply
    53,324.86x = 79,979.06 × 17,786.80
  4. Step 4: Simplify right side
    53,324.86x = 1,422,571,544.41
  5. Step 5: Solve for x
    x = 1,422,571,544.41/53,324.86
  6. Step 6: Final answer
    x = 26,677.45

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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.