Home / 31,912.10-44,038.67-17,768.28

Finding the Fourth Proportional to 31,912.10, 44,038.67 and 17,768.28

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Solution

The fourth proportional to 31,912.10, 44,038.67 and 17,768.28 is: 24,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.10 : 44,038.67 = 17,768.28 : x
  2. Step 2: Convert to fraction form
    31,912.10/44,038.67 = 17,768.28/x
  3. Step 3: Cross multiply
    31,912.10x = 44,038.67 × 17,768.28
  4. Step 4: Simplify right side
    31,912.10x = 782,491,463.81
  5. Step 5: Solve for x
    x = 782,491,463.81/31,912.10
  6. Step 6: Final answer
    x = 24,520.22

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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.