Home / 35,989.76-49,664.80-20,073.85

Finding the Fourth Proportional to 35,989.76, 49,664.80 and 20,073.85

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Solution

The fourth proportional to 35,989.76, 49,664.80 and 20,073.85 is: 27,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.76 : 49,664.80 = 20,073.85 : x
  2. Step 2: Convert to fraction form
    35,989.76/49,664.80 = 20,073.85/x
  3. Step 3: Cross multiply
    35,989.76x = 49,664.80 × 20,073.85
  4. Step 4: Simplify right side
    35,989.76x = 996,963,745.48
  5. Step 5: Solve for x
    x = 996,963,745.48/35,989.76
  6. Step 6: Final answer
    x = 27,701.32

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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.