Home / 31,868.01-47,811.24-12,148.10

Finding the Fourth Proportional to 31,868.01, 47,811.24 and 12,148.10

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Solution

The fourth proportional to 31,868.01, 47,811.24 and 12,148.10 is: 18,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.01 : 47,811.24 = 12,148.10 : x
  2. Step 2: Convert to fraction form
    31,868.01/47,811.24 = 12,148.10/x
  3. Step 3: Cross multiply
    31,868.01x = 47,811.24 × 12,148.10
  4. Step 4: Simplify right side
    31,868.01x = 580,815,765.18
  5. Step 5: Solve for x
    x = 580,815,765.18/31,868.01
  6. Step 6: Final answer
    x = 18,225.67

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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.