Home / 31,838.86-47,741.79-16,854.10

Finding the Fourth Proportional to 31,838.86, 47,741.79 and 16,854.10

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Solution

The fourth proportional to 31,838.86, 47,741.79 and 16,854.10 is: 25,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.86 : 47,741.79 = 16,854.10 : x
  2. Step 2: Convert to fraction form
    31,838.86/47,741.79 = 16,854.10/x
  3. Step 3: Cross multiply
    31,838.86x = 47,741.79 × 16,854.10
  4. Step 4: Simplify right side
    31,838.86x = 804,644,902.84
  5. Step 5: Solve for x
    x = 804,644,902.84/31,838.86
  6. Step 6: Final answer
    x = 25,272.42

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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.