Home / 34,509.16-47,618.58-20,361.88

Finding the Fourth Proportional to 34,509.16, 47,618.58 and 20,361.88

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Solution

The fourth proportional to 34,509.16, 47,618.58 and 20,361.88 is: 28,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,509.16 : 47,618.58 = 20,361.88 : x
  2. Step 2: Convert to fraction form
    34,509.16/47,618.58 = 20,361.88/x
  3. Step 3: Cross multiply
    34,509.16x = 47,618.58 × 20,361.88
  4. Step 4: Simplify right side
    34,509.16x = 969,603,811.73
  5. Step 5: Solve for x
    x = 969,603,811.73/34,509.16
  6. Step 6: Final answer
    x = 28,097.00

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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.