Home / 32,628.80-48,919.20-10,429.36

Finding the Fourth Proportional to 32,628.80, 48,919.20 and 10,429.36

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Solution

The fourth proportional to 32,628.80, 48,919.20 and 10,429.36 is: 15,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628.80 : 48,919.20 = 10,429.36 : x
  2. Step 2: Convert to fraction form
    32,628.80/48,919.20 = 10,429.36/x
  3. Step 3: Cross multiply
    32,628.80x = 48,919.20 × 10,429.36
  4. Step 4: Simplify right side
    32,628.80x = 510,195,947.71
  5. Step 5: Solve for x
    x = 510,195,947.71/32,628.80
  6. Step 6: Final answer
    x = 15,636.37

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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.