Home / 31,833.09-47,684.01-18,645.48

Finding the Fourth Proportional to 31,833.09, 47,684.01 and 18,645.48

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Solution

The fourth proportional to 31,833.09, 47,684.01 and 18,645.48 is: 27,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.09 : 47,684.01 = 18,645.48 : x
  2. Step 2: Convert to fraction form
    31,833.09/47,684.01 = 18,645.48/x
  3. Step 3: Cross multiply
    31,833.09x = 47,684.01 × 18,645.48
  4. Step 4: Simplify right side
    31,833.09x = 889,091,254.77
  5. Step 5: Solve for x
    x = 889,091,254.77/31,833.09
  6. Step 6: Final answer
    x = 27,929.78

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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.