Home / 31,206.33-43,064.87-17,778.15

Finding the Fourth Proportional to 31,206.33, 43,064.87 and 17,778.15

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Solution

The fourth proportional to 31,206.33, 43,064.87 and 17,778.15 is: 24,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.33 : 43,064.87 = 17,778.15 : x
  2. Step 2: Convert to fraction form
    31,206.33/43,064.87 = 17,778.15/x
  3. Step 3: Cross multiply
    31,206.33x = 43,064.87 × 17,778.15
  4. Step 4: Simplify right side
    31,206.33x = 765,613,629.70
  5. Step 5: Solve for x
    x = 765,613,629.70/31,206.33
  6. Step 6: Final answer
    x = 24,533.92

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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.