Home / 31,725.14-47,588.24-12,012.98

Finding the Fourth Proportional to 31,725.14, 47,588.24 and 12,012.98

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Solution

The fourth proportional to 31,725.14, 47,588.24 and 12,012.98 is: 18,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.14 : 47,588.24 = 12,012.98 : x
  2. Step 2: Convert to fraction form
    31,725.14/47,588.24 = 12,012.98/x
  3. Step 3: Cross multiply
    31,725.14x = 47,588.24 × 12,012.98
  4. Step 4: Simplify right side
    31,725.14x = 571,676,367.45
  5. Step 5: Solve for x
    x = 571,676,367.45/31,725.14
  6. Step 6: Final answer
    x = 18,019.67

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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.