Home / 32,287.42-48,405.21-18,238.78

Finding the Fourth Proportional to 32,287.42, 48,405.21 and 18,238.78

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Solution

The fourth proportional to 32,287.42, 48,405.21 and 18,238.78 is: 27,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,287.42 : 48,405.21 = 18,238.78 : x
  2. Step 2: Convert to fraction form
    32,287.42/48,405.21 = 18,238.78/x
  3. Step 3: Cross multiply
    32,287.42x = 48,405.21 × 18,238.78
  4. Step 4: Simplify right side
    32,287.42x = 882,851,976.04
  5. Step 5: Solve for x
    x = 882,851,976.04/32,287.42
  6. Step 6: Final answer
    x = 27,343.53

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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.