Home / 31,093.82-42,909.45-16,946.66

Finding the Fourth Proportional to 31,093.82, 42,909.45 and 16,946.66

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Solution

The fourth proportional to 31,093.82, 42,909.45 and 16,946.66 is: 23,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.82 : 42,909.45 = 16,946.66 : x
  2. Step 2: Convert to fraction form
    31,093.82/42,909.45 = 16,946.66/x
  3. Step 3: Cross multiply
    31,093.82x = 42,909.45 × 16,946.66
  4. Step 4: Simplify right side
    31,093.82x = 727,171,859.94
  5. Step 5: Solve for x
    x = 727,171,859.94/31,093.82
  6. Step 6: Final answer
    x = 23,386.38

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1.5x scale

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.