Home / 31,772.81-47,659.56-9,586.38

Finding the Fourth Proportional to 31,772.81, 47,659.56 and 9,586.38

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Solution

The fourth proportional to 31,772.81, 47,659.56 and 9,586.38 is: 14,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.81 : 47,659.56 = 9,586.38 : x
  2. Step 2: Convert to fraction form
    31,772.81/47,659.56 = 9,586.38/x
  3. Step 3: Cross multiply
    31,772.81x = 47,659.56 × 9,586.38
  4. Step 4: Simplify right side
    31,772.81x = 456,882,652.79
  5. Step 5: Solve for x
    x = 456,882,652.79/31,772.81
  6. Step 6: Final answer
    x = 14,379.67

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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.