Home / 47,231.37-70,862.85-19,157.58

Finding the Fourth Proportional to 47,231.37, 70,862.85 and 19,157.58

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Solution

The fourth proportional to 47,231.37, 70,862.85 and 19,157.58 is: 28,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,231.37 : 70,862.85 = 19,157.58 : x
  2. Step 2: Convert to fraction form
    47,231.37/70,862.85 = 19,157.58/x
  3. Step 3: Cross multiply
    47,231.37x = 70,862.85 × 19,157.58
  4. Step 4: Simplify right side
    47,231.37x = 1,357,560,717.90
  5. Step 5: Solve for x
    x = 1,357,560,717.90/47,231.37
  6. Step 6: Final answer
    x = 28,742.78

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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.