Home / 29,023.76-43,538.80-12,385.56

Finding the Fourth Proportional to 29,023.76, 43,538.80 and 12,385.56

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Solution

The fourth proportional to 29,023.76, 43,538.80 and 12,385.56 is: 18,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023.76 : 43,538.80 = 12,385.56 : x
  2. Step 2: Convert to fraction form
    29,023.76/43,538.80 = 12,385.56/x
  3. Step 3: Cross multiply
    29,023.76x = 43,538.80 × 12,385.56
  4. Step 4: Simplify right side
    29,023.76x = 539,252,419.73
  5. Step 5: Solve for x
    x = 539,252,419.73/29,023.76
  6. Step 6: Final answer
    x = 18,579.69

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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.