Home / 31,093.27-42,908.75-16,946.13

Finding the Fourth Proportional to 31,093.27, 42,908.75 and 16,946.13

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Solution

The fourth proportional to 31,093.27, 42,908.75 and 16,946.13 is: 23,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.27 : 42,908.75 = 16,946.13 : x
  2. Step 2: Convert to fraction form
    31,093.27/42,908.75 = 16,946.13/x
  3. Step 3: Cross multiply
    31,093.27x = 42,908.75 × 16,946.13
  4. Step 4: Simplify right side
    31,093.27x = 727,137,255.64
  5. Step 5: Solve for x
    x = 727,137,255.64/31,093.27
  6. Step 6: Final answer
    x = 23,385.68

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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.