Home / 42,559.24-63,836.46-18,859.96

Finding the Fourth Proportional to 42,559.24, 63,836.46 and 18,859.96

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Solution

The fourth proportional to 42,559.24, 63,836.46 and 18,859.96 is: 28,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,559.24 : 63,836.46 = 18,859.96 : x
  2. Step 2: Convert to fraction form
    42,559.24/63,836.46 = 18,859.96/x
  3. Step 3: Cross multiply
    42,559.24x = 63,836.46 × 18,859.96
  4. Step 4: Simplify right side
    42,559.24x = 1,203,953,082.14
  5. Step 5: Solve for x
    x = 1,203,953,082.14/42,559.24
  6. Step 6: Final answer
    x = 28,288.88

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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.