Home / 32,439.09-44,758.29-18,289.20

Finding the Fourth Proportional to 32,439.09, 44,758.29 and 18,289.20

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Solution

The fourth proportional to 32,439.09, 44,758.29 and 18,289.20 is: 25,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,439.09 : 44,758.29 = 18,289.20 : x
  2. Step 2: Convert to fraction form
    32,439.09/44,758.29 = 18,289.20/x
  3. Step 3: Cross multiply
    32,439.09x = 44,758.29 × 18,289.20
  4. Step 4: Simplify right side
    32,439.09x = 818,593,226.02
  5. Step 5: Solve for x
    x = 818,593,226.02/32,439.09
  6. Step 6: Final answer
    x = 25,234.78

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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.