Home / 32,790.42-45,250.79-18,644.13

Finding the Fourth Proportional to 32,790.42, 45,250.79 and 18,644.13

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Solution

The fourth proportional to 32,790.42, 45,250.79 and 18,644.13 is: 25,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,790.42 : 45,250.79 = 18,644.13 : x
  2. Step 2: Convert to fraction form
    32,790.42/45,250.79 = 18,644.13/x
  3. Step 3: Cross multiply
    32,790.42x = 45,250.79 × 18,644.13
  4. Step 4: Simplify right side
    32,790.42x = 843,661,518.14
  5. Step 5: Solve for x
    x = 843,661,518.14/32,790.42
  6. Step 6: Final answer
    x = 25,728.90

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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.