Home / 31,822.07-47,710.37-14,945.65

Finding the Fourth Proportional to 31,822.07, 47,710.37 and 14,945.65

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Solution

The fourth proportional to 31,822.07, 47,710.37 and 14,945.65 is: 22,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.07 : 47,710.37 = 14,945.65 : x
  2. Step 2: Convert to fraction form
    31,822.07/47,710.37 = 14,945.65/x
  3. Step 3: Cross multiply
    31,822.07x = 47,710.37 × 14,945.65
  4. Step 4: Simplify right side
    31,822.07x = 713,062,409.48
  5. Step 5: Solve for x
    x = 713,062,409.48/31,822.07
  6. Step 6: Final answer
    x = 22,407.80

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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.