Home / 43,111.52-64,677.60-13,529.30

Finding the Fourth Proportional to 43,111.52, 64,677.60 and 13,529.30

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Solution

The fourth proportional to 43,111.52, 64,677.60 and 13,529.30 is: 20,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,111.52 : 64,677.60 = 13,529.30 : x
  2. Step 2: Convert to fraction form
    43,111.52/64,677.60 = 13,529.30/x
  3. Step 3: Cross multiply
    43,111.52x = 64,677.60 × 13,529.30
  4. Step 4: Simplify right side
    43,111.52x = 875,042,653.68
  5. Step 5: Solve for x
    x = 875,042,653.68/43,111.52
  6. Step 6: Final answer
    x = 20,297.19

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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.