Home / 32,731.87-45,171.29-18,586.03

Finding the Fourth Proportional to 32,731.87, 45,171.29 and 18,586.03

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Solution

The fourth proportional to 32,731.87, 45,171.29 and 18,586.03 is: 25,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,731.87 : 45,171.29 = 18,586.03 : x
  2. Step 2: Convert to fraction form
    32,731.87/45,171.29 = 18,586.03/x
  3. Step 3: Cross multiply
    32,731.87x = 45,171.29 × 18,586.03
  4. Step 4: Simplify right side
    32,731.87x = 839,554,858.15
  5. Step 5: Solve for x
    x = 839,554,858.15/32,731.87
  6. Step 6: Final answer
    x = 25,649.46

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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.