Home / 45,447.90-62,676.63-28,651.74

Finding the Fourth Proportional to 45,447.90, 62,676.63 and 28,651.74

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Solution

The fourth proportional to 45,447.90, 62,676.63 and 28,651.74 is: 39,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.90 : 62,676.63 = 28,651.74 : x
  2. Step 2: Convert to fraction form
    45,447.90/62,676.63 = 28,651.74/x
  3. Step 3: Cross multiply
    45,447.90x = 62,676.63 × 28,651.74
  4. Step 4: Simplify right side
    45,447.90x = 1,795,794,506.84
  5. Step 5: Solve for x
    x = 1,795,794,506.84/45,447.90
  6. Step 6: Final answer
    x = 39,513.26

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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.