Home / 47,099.27-70,649.30-13,819.88

Finding the Fourth Proportional to 47,099.27, 70,649.30 and 13,819.88

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Solution

The fourth proportional to 47,099.27, 70,649.30 and 13,819.88 is: 20,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,099.27 : 70,649.30 = 13,819.88 : x
  2. Step 2: Convert to fraction form
    47,099.27/70,649.30 = 13,819.88/x
  3. Step 3: Cross multiply
    47,099.27x = 70,649.30 × 13,819.88
  4. Step 4: Simplify right side
    47,099.27x = 976,364,848.08
  5. Step 5: Solve for x
    x = 976,364,848.08/47,099.27
  6. Step 6: Final answer
    x = 20,729.94

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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.