Home / 31,945.37-44,088.86-18,338.79

Finding the Fourth Proportional to 31,945.37, 44,088.86 and 18,338.79

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Solution

The fourth proportional to 31,945.37, 44,088.86 and 18,338.79 is: 25,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.37 : 44,088.86 = 18,338.79 : x
  2. Step 2: Convert to fraction form
    31,945.37/44,088.86 = 18,338.79/x
  3. Step 3: Cross multiply
    31,945.37x = 44,088.86 × 18,338.79
  4. Step 4: Simplify right side
    31,945.37x = 808,536,253.19
  5. Step 5: Solve for x
    x = 808,536,253.19/31,945.37
  6. Step 6: Final answer
    x = 25,309.97

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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.