Home / 31,287.91-46,932.02-7,914.37

Finding the Fourth Proportional to 31,287.91, 46,932.02 and 7,914.37

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Solution

The fourth proportional to 31,287.91, 46,932.02 and 7,914.37 is: 11,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.91 : 46,932.02 = 7,914.37 : x
  2. Step 2: Convert to fraction form
    31,287.91/46,932.02 = 7,914.37/x
  3. Step 3: Cross multiply
    31,287.91x = 46,932.02 × 7,914.37
  4. Step 4: Simplify right side
    31,287.91x = 371,437,371.13
  5. Step 5: Solve for x
    x = 371,437,371.13/31,287.91
  6. Step 6: Final answer
    x = 11,871.59

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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.