Home / 49,854.96-68,799.90-28,638.34

Finding the Fourth Proportional to 49,854.96, 68,799.90 and 28,638.34

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Solution

The fourth proportional to 49,854.96, 68,799.90 and 28,638.34 is: 39,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.96 : 68,799.90 = 28,638.34 : x
  2. Step 2: Convert to fraction form
    49,854.96/68,799.90 = 28,638.34/x
  3. Step 3: Cross multiply
    49,854.96x = 68,799.90 × 28,638.34
  4. Step 4: Simplify right side
    49,854.96x = 1,970,314,928.17
  5. Step 5: Solve for x
    x = 1,970,314,928.17/49,854.96
  6. Step 6: Final answer
    x = 39,520.94

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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.