Home / 33,148.50-45,656.19-28,672.44

Finding the Fourth Proportional to 33,148.50, 45,656.19 and 28,672.44

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Solution

The fourth proportional to 33,148.50, 45,656.19 and 28,672.44 is: 39,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.50 : 45,656.19 = 28,672.44 : x
  2. Step 2: Convert to fraction form
    33,148.50/45,656.19 = 28,672.44/x
  3. Step 3: Cross multiply
    33,148.50x = 45,656.19 × 28,672.44
  4. Step 4: Simplify right side
    33,148.50x = 1,309,074,368.40
  5. Step 5: Solve for x
    x = 1,309,074,368.40/33,148.50
  6. Step 6: Final answer
    x = 39,491.21

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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.