Home / 31,301.37-46,952.15-7,927.79

Finding the Fourth Proportional to 31,301.37, 46,952.15 and 7,927.79

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Solution

The fourth proportional to 31,301.37, 46,952.15 and 7,927.79 is: 11,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.37 : 46,952.15 = 7,927.79 : x
  2. Step 2: Convert to fraction form
    31,301.37/46,952.15 = 7,927.79/x
  3. Step 3: Cross multiply
    31,301.37x = 46,952.15 × 7,927.79
  4. Step 4: Simplify right side
    31,301.37x = 372,226,510.85
  5. Step 5: Solve for x
    x = 372,226,510.85/31,301.37
  6. Step 6: Final answer
    x = 11,891.70

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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.