Home / 47,099.76-70,660.58-13,818.48

Finding the Fourth Proportional to 47,099.76, 70,660.58 and 13,818.48

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Solution

The fourth proportional to 47,099.76, 70,660.58 and 13,818.48 is: 20,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,099.76 : 70,660.58 = 13,818.48 : x
  2. Step 2: Convert to fraction form
    47,099.76/70,660.58 = 13,818.48/x
  3. Step 3: Cross multiply
    47,099.76x = 70,660.58 × 13,818.48
  4. Step 4: Simplify right side
    47,099.76x = 976,421,742.43
  5. Step 5: Solve for x
    x = 976,421,742.43/47,099.76
  6. Step 6: Final answer
    x = 20,730.93

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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.