Home / 31,422.74-47,123.57-16,622.96

Finding the Fourth Proportional to 31,422.74, 47,123.57 and 16,622.96

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Solution

The fourth proportional to 31,422.74, 47,123.57 and 16,622.96 is: 24,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.74 : 47,123.57 = 16,622.96 : x
  2. Step 2: Convert to fraction form
    31,422.74/47,123.57 = 16,622.96/x
  3. Step 3: Cross multiply
    31,422.74x = 47,123.57 × 16,622.96
  4. Step 4: Simplify right side
    31,422.74x = 783,333,025.11
  5. Step 5: Solve for x
    x = 783,333,025.11/31,422.74
  6. Step 6: Final answer
    x = 24,928.86

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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.