Home / 47,650.83-71,500.64-21,015.39

Finding the Fourth Proportional to 47,650.83, 71,500.64 and 21,015.39

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Solution

The fourth proportional to 47,650.83, 71,500.64 and 21,015.39 is: 31,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,650.83 : 71,500.64 = 21,015.39 : x
  2. Step 2: Convert to fraction form
    47,650.83/71,500.64 = 21,015.39/x
  3. Step 3: Cross multiply
    47,650.83x = 71,500.64 × 21,015.39
  4. Step 4: Simplify right side
    47,650.83x = 1,502,613,729.77
  5. Step 5: Solve for x
    x = 1,502,613,729.77/47,650.83
  6. Step 6: Final answer
    x = 31,533.84

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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.