Home / 47,157.06-70,735.63-12,096.72

Finding the Fourth Proportional to 47,157.06, 70,735.63 and 12,096.72

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Solution

The fourth proportional to 47,157.06, 70,735.63 and 12,096.72 is: 18,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.06 : 70,735.63 = 12,096.72 : x
  2. Step 2: Convert to fraction form
    47,157.06/70,735.63 = 12,096.72/x
  3. Step 3: Cross multiply
    47,157.06x = 70,735.63 × 12,096.72
  4. Step 4: Simplify right side
    47,157.06x = 855,669,110.13
  5. Step 5: Solve for x
    x = 855,669,110.13/47,157.06
  6. Step 6: Final answer
    x = 18,145.09

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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.