Home / 27,029.19-40,543.77-19,680.41

Finding the Fourth Proportional to 27,029.19, 40,543.77 and 19,680.41

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Solution

The fourth proportional to 27,029.19, 40,543.77 and 19,680.41 is: 29,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,029.19 : 40,543.77 = 19,680.41 : x
  2. Step 2: Convert to fraction form
    27,029.19/40,543.77 = 19,680.41/x
  3. Step 3: Cross multiply
    27,029.19x = 40,543.77 × 19,680.41
  4. Step 4: Simplify right side
    27,029.19x = 797,918,016.55
  5. Step 5: Solve for x
    x = 797,918,016.55/27,029.19
  6. Step 6: Final answer
    x = 29,520.60

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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.