Home / 47,700.09-71,548.62-21,037.83

Finding the Fourth Proportional to 47,700.09, 71,548.62 and 21,037.83

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Solution

The fourth proportional to 47,700.09, 71,548.62 and 21,037.83 is: 31,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,700.09 : 71,548.62 = 21,037.83 : x
  2. Step 2: Convert to fraction form
    47,700.09/71,548.62 = 21,037.83/x
  3. Step 3: Cross multiply
    47,700.09x = 71,548.62 × 21,037.83
  4. Step 4: Simplify right side
    47,700.09x = 1,505,227,357.10
  5. Step 5: Solve for x
    x = 1,505,227,357.10/47,700.09
  6. Step 6: Final answer
    x = 31,556.07

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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.