Home / 47,037.31-64,890.32-27,917.89

Finding the Fourth Proportional to 47,037.31, 64,890.32 and 27,917.89

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Solution

The fourth proportional to 47,037.31, 64,890.32 and 27,917.89 is: 38,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,037.31 : 64,890.32 = 27,917.89 : x
  2. Step 2: Convert to fraction form
    47,037.31/64,890.32 = 27,917.89/x
  3. Step 3: Cross multiply
    47,037.31x = 64,890.32 × 27,917.89
  4. Step 4: Simplify right side
    47,037.31x = 1,811,600,514.01
  5. Step 5: Solve for x
    x = 1,811,600,514.01/47,037.31
  6. Step 6: Final answer
    x = 38,514.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.