Home / 31,606.96-43,615.92-18,176.08

Finding the Fourth Proportional to 31,606.96, 43,615.92 and 18,176.08

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Solution

The fourth proportional to 31,606.96, 43,615.92 and 18,176.08 is: 25,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.96 : 43,615.92 = 18,176.08 : x
  2. Step 2: Convert to fraction form
    31,606.96/43,615.92 = 18,176.08/x
  3. Step 3: Cross multiply
    31,606.96x = 43,615.92 × 18,176.08
  4. Step 4: Simplify right side
    31,606.96x = 792,766,451.19
  5. Step 5: Solve for x
    x = 792,766,451.19/31,606.96
  6. Step 6: Final answer
    x = 25,082.02

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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.