Home / 43,105.28-64,657.94-13,525.43

Finding the Fourth Proportional to 43,105.28, 64,657.94 and 13,525.43

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Solution

The fourth proportional to 43,105.28, 64,657.94 and 13,525.43 is: 20,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105.28 : 64,657.94 = 13,525.43 : x
  2. Step 2: Convert to fraction form
    43,105.28/64,657.94 = 13,525.43/x
  3. Step 3: Cross multiply
    43,105.28x = 64,657.94 × 13,525.43
  4. Step 4: Simplify right side
    43,105.28x = 874,526,050.50
  5. Step 5: Solve for x
    x = 874,526,050.50/43,105.28
  6. Step 6: Final answer
    x = 20,288.14

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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.