Home / 31,104.92-42,923.92-16,957.76

Finding the Fourth Proportional to 31,104.92, 42,923.92 and 16,957.76

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Solution

The fourth proportional to 31,104.92, 42,923.92 and 16,957.76 is: 23,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.92 : 42,923.92 = 16,957.76 : x
  2. Step 2: Convert to fraction form
    31,104.92/42,923.92 = 16,957.76/x
  3. Step 3: Cross multiply
    31,104.92x = 42,923.92 × 16,957.76
  4. Step 4: Simplify right side
    31,104.92x = 727,893,533.62
  5. Step 5: Solve for x
    x = 727,893,533.62/31,104.92
  6. Step 6: Final answer
    x = 23,401.23

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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.