Home / 31,586.56-43,590.01-17,438.56

Finding the Fourth Proportional to 31,586.56, 43,590.01 and 17,438.56

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Solution

The fourth proportional to 31,586.56, 43,590.01 and 17,438.56 is: 24,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.56 : 43,590.01 = 17,438.56 : x
  2. Step 2: Convert to fraction form
    31,586.56/43,590.01 = 17,438.56/x
  3. Step 3: Cross multiply
    31,586.56x = 43,590.01 × 17,438.56
  4. Step 4: Simplify right side
    31,586.56x = 760,146,786.84
  5. Step 5: Solve for x
    x = 760,146,786.84/31,586.56
  6. Step 6: Final answer
    x = 24,065.52

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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.