Home / 31,053.92-42,853.26-16,906.48

Finding the Fourth Proportional to 31,053.92, 42,853.26 and 16,906.48

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Solution

The fourth proportional to 31,053.92, 42,853.26 and 16,906.48 is: 23,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053.92 : 42,853.26 = 16,906.48 : x
  2. Step 2: Convert to fraction form
    31,053.92/42,853.26 = 16,906.48/x
  3. Step 3: Cross multiply
    31,053.92x = 42,853.26 × 16,906.48
  4. Step 4: Simplify right side
    31,053.92x = 724,497,783.12
  5. Step 5: Solve for x
    x = 724,497,783.12/31,053.92
  6. Step 6: Final answer
    x = 23,330.32

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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.