Home / 43,200.38-64,804.28-12,035.63

Finding the Fourth Proportional to 43,200.38, 64,804.28 and 12,035.63

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Solution

The fourth proportional to 43,200.38, 64,804.28 and 12,035.63 is: 18,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.38 : 64,804.28 = 12,035.63 : x
  2. Step 2: Convert to fraction form
    43,200.38/64,804.28 = 12,035.63/x
  3. Step 3: Cross multiply
    43,200.38x = 64,804.28 × 12,035.63
  4. Step 4: Simplify right side
    43,200.38x = 779,959,952.30
  5. Step 5: Solve for x
    x = 779,959,952.30/43,200.38
  6. Step 6: Final answer
    x = 18,054.47

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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.