Home / 31,935.31-47,860.51-16,939.34

Finding the Fourth Proportional to 31,935.31, 47,860.51 and 16,939.34

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Solution

The fourth proportional to 31,935.31, 47,860.51 and 16,939.34 is: 25,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.31 : 47,860.51 = 16,939.34 : x
  2. Step 2: Convert to fraction form
    31,935.31/47,860.51 = 16,939.34/x
  3. Step 3: Cross multiply
    31,935.31x = 47,860.51 × 16,939.34
  4. Step 4: Simplify right side
    31,935.31x = 810,725,127.46
  5. Step 5: Solve for x
    x = 810,725,127.46/31,935.31
  6. Step 6: Final answer
    x = 25,386.48

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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.