Home / 38,354.42-57,448.53-18,591.63

Finding the Fourth Proportional to 38,354.42, 57,448.53 and 18,591.63

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Solution

The fourth proportional to 38,354.42, 57,448.53 and 18,591.63 is: 27,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,354.42 : 57,448.53 = 18,591.63 : x
  2. Step 2: Convert to fraction form
    38,354.42/57,448.53 = 18,591.63/x
  3. Step 3: Cross multiply
    38,354.42x = 57,448.53 × 18,591.63
  4. Step 4: Simplify right side
    38,354.42x = 1,068,061,813.80
  5. Step 5: Solve for x
    x = 1,068,061,813.80/38,354.42
  6. Step 6: Final answer
    x = 27,847.17

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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.