Home / 53,079.42-79,629.57-17,539.31

Finding the Fourth Proportional to 53,079.42, 79,629.57 and 17,539.31

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Solution

The fourth proportional to 53,079.42, 79,629.57 and 17,539.31 is: 26,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,079.42 : 79,629.57 = 17,539.31 : x
  2. Step 2: Convert to fraction form
    53,079.42/79,629.57 = 17,539.31/x
  3. Step 3: Cross multiply
    53,079.42x = 79,629.57 × 17,539.31
  4. Step 4: Simplify right side
    53,079.42x = 1,396,647,315.25
  5. Step 5: Solve for x
    x = 1,396,647,315.25/53,079.42
  6. Step 6: Final answer
    x = 26,312.41

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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.