Home / 31,586.92-47,326.84-19,080.68

Finding the Fourth Proportional to 31,586.92, 47,326.84 and 19,080.68

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Solution

The fourth proportional to 31,586.92, 47,326.84 and 19,080.68 is: 28,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.92 : 47,326.84 = 19,080.68 : x
  2. Step 2: Convert to fraction form
    31,586.92/47,326.84 = 19,080.68/x
  3. Step 3: Cross multiply
    31,586.92x = 47,326.84 × 19,080.68
  4. Step 4: Simplify right side
    31,586.92x = 903,028,289.45
  5. Step 5: Solve for x
    x = 903,028,289.45/31,586.92
  6. Step 6: Final answer
    x = 28,588.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.