Home / 31,903.38-44,007.06-20,568.66

Finding the Fourth Proportional to 31,903.38, 44,007.06 and 20,568.66

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Solution

The fourth proportional to 31,903.38, 44,007.06 and 20,568.66 is: 28,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.38 : 44,007.06 = 20,568.66 : x
  2. Step 2: Convert to fraction form
    31,903.38/44,007.06 = 20,568.66/x
  3. Step 3: Cross multiply
    31,903.38x = 44,007.06 × 20,568.66
  4. Step 4: Simplify right side
    31,903.38x = 905,166,254.74
  5. Step 5: Solve for x
    x = 905,166,254.74/31,903.38
  6. Step 6: Final answer
    x = 28,372.11

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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.