Home / 48,680.09-67,184.69-28,257.80

Finding the Fourth Proportional to 48,680.09, 67,184.69 and 28,257.80

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Solution

The fourth proportional to 48,680.09, 67,184.69 and 28,257.80 is: 38,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,680.09 : 67,184.69 = 28,257.80 : x
  2. Step 2: Convert to fraction form
    48,680.09/67,184.69 = 28,257.80/x
  3. Step 3: Cross multiply
    48,680.09x = 67,184.69 × 28,257.80
  4. Step 4: Simplify right side
    48,680.09x = 1,898,491,214.82
  5. Step 5: Solve for x
    x = 1,898,491,214.82/48,680.09
  6. Step 6: Final answer
    x = 38,999.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.