Home / 53,008.23-79,516.23-19,728.29

Finding the Fourth Proportional to 53,008.23, 79,516.23 and 19,728.29

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Solution

The fourth proportional to 53,008.23, 79,516.23 and 19,728.29 is: 29,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.23 : 79,516.23 = 19,728.29 : x
  2. Step 2: Convert to fraction form
    53,008.23/79,516.23 = 19,728.29/x
  3. Step 3: Cross multiply
    53,008.23x = 79,516.23 × 19,728.29
  4. Step 4: Simplify right side
    53,008.23x = 1,568,718,847.57
  5. Step 5: Solve for x
    x = 1,568,718,847.57/53,008.23
  6. Step 6: Final answer
    x = 29,593.87

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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.