Home / 31,438.44-47,114.70-17,377.64

Finding the Fourth Proportional to 31,438.44, 47,114.70 and 17,377.64

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Solution

The fourth proportional to 31,438.44, 47,114.70 and 17,377.64 is: 26,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.44 : 47,114.70 = 17,377.64 : x
  2. Step 2: Convert to fraction form
    31,438.44/47,114.70 = 17,377.64/x
  3. Step 3: Cross multiply
    31,438.44x = 47,114.70 × 17,377.64
  4. Step 4: Simplify right side
    31,438.44x = 818,742,295.31
  5. Step 5: Solve for x
    x = 818,742,295.31/31,438.44
  6. Step 6: Final answer
    x = 26,042.71

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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.