Home / 43,010.26-64,522.96-19,639.06

Finding the Fourth Proportional to 43,010.26, 64,522.96 and 19,639.06

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Solution

The fourth proportional to 43,010.26, 64,522.96 and 19,639.06 is: 29,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.26 : 64,522.96 = 19,639.06 : x
  2. Step 2: Convert to fraction form
    43,010.26/64,522.96 = 19,639.06/x
  3. Step 3: Cross multiply
    43,010.26x = 64,522.96 × 19,639.06
  4. Step 4: Simplify right side
    43,010.26x = 1,267,170,282.82
  5. Step 5: Solve for x
    x = 1,267,170,282.82/43,010.26
  6. Step 6: Final answer
    x = 29,462.05

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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.