Home / 31,758.76-47,640.13-10,697.07

Finding the Fourth Proportional to 31,758.76, 47,640.13 and 10,697.07

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Solution

The fourth proportional to 31,758.76, 47,640.13 and 10,697.07 is: 16,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.76 : 47,640.13 = 10,697.07 : x
  2. Step 2: Convert to fraction form
    31,758.76/47,640.13 = 10,697.07/x
  3. Step 3: Cross multiply
    31,758.76x = 47,640.13 × 10,697.07
  4. Step 4: Simplify right side
    31,758.76x = 509,609,778.68
  5. Step 5: Solve for x
    x = 509,609,778.68/31,758.76
  6. Step 6: Final answer
    x = 16,046.28

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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.