Home / 31,102.53-42,921.93-16,955.37

Finding the Fourth Proportional to 31,102.53, 42,921.93 and 16,955.37

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Solution

The fourth proportional to 31,102.53, 42,921.93 and 16,955.37 is: 23,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.53 : 42,921.93 = 16,955.37 : x
  2. Step 2: Convert to fraction form
    31,102.53/42,921.93 = 16,955.37/x
  3. Step 3: Cross multiply
    31,102.53x = 42,921.93 × 16,955.37
  4. Step 4: Simplify right side
    31,102.53x = 727,757,204.26
  5. Step 5: Solve for x
    x = 727,757,204.26/31,102.53
  6. Step 6: Final answer
    x = 23,398.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.