Home / 53,007.36-79,511.04-19,726.56

Finding the Fourth Proportional to 53,007.36, 79,511.04 and 19,726.56

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Solution

The fourth proportional to 53,007.36, 79,511.04 and 19,726.56 is: 29,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.36 : 79,511.04 = 19,726.56 : x
  2. Step 2: Convert to fraction form
    53,007.36/79,511.04 = 19,726.56/x
  3. Step 3: Cross multiply
    53,007.36x = 79,511.04 × 19,726.56
  4. Step 4: Simplify right side
    53,007.36x = 1,568,479,301.22
  5. Step 5: Solve for x
    x = 1,568,479,301.22/53,007.36
  6. Step 6: Final answer
    x = 29,589.84

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Double scale
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Similar ratio
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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.