Home / 29,217.60-43,768.80-16,891.20

Finding the Fourth Proportional to 29,217.60, 43,768.80 and 16,891.20

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Solution

The fourth proportional to 29,217.60, 43,768.80 and 16,891.20 is: 25,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,217.60 : 43,768.80 = 16,891.20 : x
  2. Step 2: Convert to fraction form
    29,217.60/43,768.80 = 16,891.20/x
  3. Step 3: Cross multiply
    29,217.60x = 43,768.80 × 16,891.20
  4. Step 4: Simplify right side
    29,217.60x = 739,307,554.56
  5. Step 5: Solve for x
    x = 739,307,554.56/29,217.60
  6. Step 6: Final answer
    x = 25,303.50

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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.