Home / 49,028.90-67,637.36-28,876.12

Finding the Fourth Proportional to 49,028.90, 67,637.36 and 28,876.12

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Solution

The fourth proportional to 49,028.90, 67,637.36 and 28,876.12 is: 39,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,028.90 : 67,637.36 = 28,876.12 : x
  2. Step 2: Convert to fraction form
    49,028.90/67,637.36 = 28,876.12/x
  3. Step 3: Cross multiply
    49,028.90x = 67,637.36 × 28,876.12
  4. Step 4: Simplify right side
    49,028.90x = 1,953,104,426.94
  5. Step 5: Solve for x
    x = 1,953,104,426.94/49,028.90
  6. Step 6: Final answer
    x = 39,835.78

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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.