Home / 43,628.57-65,434.57-12,030.82

Finding the Fourth Proportional to 43,628.57, 65,434.57 and 12,030.82

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Solution

The fourth proportional to 43,628.57, 65,434.57 and 12,030.82 is: 18,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,628.57 : 65,434.57 = 12,030.82 : x
  2. Step 2: Convert to fraction form
    43,628.57/65,434.57 = 12,030.82/x
  3. Step 3: Cross multiply
    43,628.57x = 65,434.57 × 12,030.82
  4. Step 4: Simplify right side
    43,628.57x = 787,231,533.45
  5. Step 5: Solve for x
    x = 787,231,533.45/43,628.57
  6. Step 6: Final answer
    x = 18,043.95

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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.