Home / 47,023.11-70,539.21-13,742.42

Finding the Fourth Proportional to 47,023.11, 70,539.21 and 13,742.42

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Solution

The fourth proportional to 47,023.11, 70,539.21 and 13,742.42 is: 20,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,023.11 : 70,539.21 = 13,742.42 : x
  2. Step 2: Convert to fraction form
    47,023.11/70,539.21 = 13,742.42/x
  3. Step 3: Cross multiply
    47,023.11x = 70,539.21 × 13,742.42
  4. Step 4: Simplify right side
    47,023.11x = 969,379,450.29
  5. Step 5: Solve for x
    x = 969,379,450.29/47,023.11
  6. Step 6: Final answer
    x = 20,614.96

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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.