Home / 31,402.29-47,107.31-10,336.94

Finding the Fourth Proportional to 31,402.29, 47,107.31 and 10,336.94

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Solution

The fourth proportional to 31,402.29, 47,107.31 and 10,336.94 is: 15,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.29 : 47,107.31 = 10,336.94 : x
  2. Step 2: Convert to fraction form
    31,402.29/47,107.31 = 10,336.94/x
  3. Step 3: Cross multiply
    31,402.29x = 47,107.31 × 10,336.94
  4. Step 4: Simplify right side
    31,402.29x = 486,945,149.81
  5. Step 5: Solve for x
    x = 486,945,149.81/31,402.29
  6. Step 6: Final answer
    x = 15,506.68

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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.