Home / 38,441.40-57,651.30-12,154.20

Finding the Fourth Proportional to 38,441.40, 57,651.30 and 12,154.20

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Solution

The fourth proportional to 38,441.40, 57,651.30 and 12,154.20 is: 18,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.40 : 57,651.30 = 12,154.20 : x
  2. Step 2: Convert to fraction form
    38,441.40/57,651.30 = 12,154.20/x
  3. Step 3: Cross multiply
    38,441.40x = 57,651.30 × 12,154.20
  4. Step 4: Simplify right side
    38,441.40x = 700,705,430.46
  5. Step 5: Solve for x
    x = 700,705,430.46/38,441.40
  6. Step 6: Final answer
    x = 18,227.89

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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.