Home / 43,200.20-64,807.26-18,243.98

Finding the Fourth Proportional to 43,200.20, 64,807.26 and 18,243.98

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Solution

The fourth proportional to 43,200.20, 64,807.26 and 18,243.98 is: 27,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.20 : 64,807.26 = 18,243.98 : x
  2. Step 2: Convert to fraction form
    43,200.20/64,807.26 = 18,243.98/x
  3. Step 3: Cross multiply
    43,200.20x = 64,807.26 × 18,243.98
  4. Step 4: Simplify right side
    43,200.20x = 1,182,342,355.29
  5. Step 5: Solve for x
    x = 1,182,342,355.29/43,200.20
  6. Step 6: Final answer
    x = 27,368.91

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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.