Home / 31,585.55-43,586.91-17,438.09

Finding the Fourth Proportional to 31,585.55, 43,586.91 and 17,438.09

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Solution

The fourth proportional to 31,585.55, 43,586.91 and 17,438.09 is: 24,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.55 : 43,586.91 = 17,438.09 : x
  2. Step 2: Convert to fraction form
    31,585.55/43,586.91 = 17,438.09/x
  3. Step 3: Cross multiply
    31,585.55x = 43,586.91 × 17,438.09
  4. Step 4: Simplify right side
    31,585.55x = 760,072,241.47
  5. Step 5: Solve for x
    x = 760,072,241.47/31,585.55
  6. Step 6: Final answer
    x = 24,063.93

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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.