Home / 40,950.42-61,435.35-21,238.26

Finding the Fourth Proportional to 40,950.42, 61,435.35 and 21,238.26

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Solution

The fourth proportional to 40,950.42, 61,435.35 and 21,238.26 is: 31,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,950.42 : 61,435.35 = 21,238.26 : x
  2. Step 2: Convert to fraction form
    40,950.42/61,435.35 = 21,238.26/x
  3. Step 3: Cross multiply
    40,950.42x = 61,435.35 × 21,238.26
  4. Step 4: Simplify right side
    40,950.42x = 1,304,779,936.49
  5. Step 5: Solve for x
    x = 1,304,779,936.49/40,950.42
  6. Step 6: Final answer
    x = 31,862.43

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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.