Home / 43,037.25-64,555.89-11,872.50

Finding the Fourth Proportional to 43,037.25, 64,555.89 and 11,872.50

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Solution

The fourth proportional to 43,037.25, 64,555.89 and 11,872.50 is: 17,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.25 : 64,555.89 = 11,872.50 : x
  2. Step 2: Convert to fraction form
    43,037.25/64,555.89 = 11,872.50/x
  3. Step 3: Cross multiply
    43,037.25x = 64,555.89 × 11,872.50
  4. Step 4: Simplify right side
    43,037.25x = 766,439,804.03
  5. Step 5: Solve for x
    x = 766,439,804.03/43,037.25
  6. Step 6: Final answer
    x = 17,808.75

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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.