Home / 31,790.08-43,869.90-17,642.62

Finding the Fourth Proportional to 31,790.08, 43,869.90 and 17,642.62

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Solution

The fourth proportional to 31,790.08, 43,869.90 and 17,642.62 is: 24,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.08 : 43,869.90 = 17,642.62 : x
  2. Step 2: Convert to fraction form
    31,790.08/43,869.90 = 17,642.62/x
  3. Step 3: Cross multiply
    31,790.08x = 43,869.90 × 17,642.62
  4. Step 4: Simplify right side
    31,790.08x = 773,979,975.14
  5. Step 5: Solve for x
    x = 773,979,975.14/31,790.08
  6. Step 6: Final answer
    x = 24,346.59

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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.