Home / 29,638.10-44,407.79-20,854.56

Finding the Fourth Proportional to 29,638.10, 44,407.79 and 20,854.56

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Solution

The fourth proportional to 29,638.10, 44,407.79 and 20,854.56 is: 31,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.10 : 44,407.79 = 20,854.56 : x
  2. Step 2: Convert to fraction form
    29,638.10/44,407.79 = 20,854.56/x
  3. Step 3: Cross multiply
    29,638.10x = 44,407.79 × 20,854.56
  4. Step 4: Simplify right side
    29,638.10x = 926,104,816.75
  5. Step 5: Solve for x
    x = 926,104,816.75/29,638.10
  6. Step 6: Final answer
    x = 31,247.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.