Home / 32,731.75-45,169.91-18,586.81

Finding the Fourth Proportional to 32,731.75, 45,169.91 and 18,586.81

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Solution

The fourth proportional to 32,731.75, 45,169.91 and 18,586.81 is: 25,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,731.75 : 45,169.91 = 18,586.81 : x
  2. Step 2: Convert to fraction form
    32,731.75/45,169.91 = 18,586.81/x
  3. Step 3: Cross multiply
    32,731.75x = 45,169.91 × 18,586.81
  4. Step 4: Simplify right side
    32,731.75x = 839,564,441.95
  5. Step 5: Solve for x
    x = 839,564,441.95/32,731.75
  6. Step 6: Final answer
    x = 25,649.85

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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.