Home / 43,043.08-64,554.38-18,083.62

Finding the Fourth Proportional to 43,043.08, 64,554.38 and 18,083.62

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Solution

The fourth proportional to 43,043.08, 64,554.38 and 18,083.62 is: 27,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,043.08 : 64,554.38 = 18,083.62 : x
  2. Step 2: Convert to fraction form
    43,043.08/64,554.38 = 18,083.62/x
  3. Step 3: Cross multiply
    43,043.08x = 64,554.38 × 18,083.62
  4. Step 4: Simplify right side
    43,043.08x = 1,167,376,877.26
  5. Step 5: Solve for x
    x = 1,167,376,877.26/43,043.08
  6. Step 6: Final answer
    x = 27,121.13

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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.