Home / 47,023.62-70,539.96-13,742.94

Finding the Fourth Proportional to 47,023.62, 70,539.96 and 13,742.94

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Solution

The fourth proportional to 47,023.62, 70,539.96 and 13,742.94 is: 20,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,023.62 : 70,539.96 = 13,742.94 : x
  2. Step 2: Convert to fraction form
    47,023.62/70,539.96 = 13,742.94/x
  3. Step 3: Cross multiply
    47,023.62x = 70,539.96 × 13,742.94
  4. Step 4: Simplify right side
    47,023.62x = 969,426,437.88
  5. Step 5: Solve for x
    x = 969,426,437.88/47,023.62
  6. Step 6: Final answer
    x = 20,615.73

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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.