Home / 31,093.48-42,908.88-16,946.28

Finding the Fourth Proportional to 31,093.48, 42,908.88 and 16,946.28

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Solution

The fourth proportional to 31,093.48, 42,908.88 and 16,946.28 is: 23,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.48 : 42,908.88 = 16,946.28 : x
  2. Step 2: Convert to fraction form
    31,093.48/42,908.88 = 16,946.28/x
  3. Step 3: Cross multiply
    31,093.48x = 42,908.88 × 16,946.28
  4. Step 4: Simplify right side
    31,093.48x = 727,145,894.97
  5. Step 5: Solve for x
    x = 727,145,894.97/31,093.48
  6. Step 6: Final answer
    x = 23,385.80

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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.