Home / 61,361.05-92,012.32-21,375.12

Finding the Fourth Proportional to 61,361.05, 92,012.32 and 21,375.12

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Solution

The fourth proportional to 61,361.05, 92,012.32 and 21,375.12 is: 32,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.05 : 92,012.32 = 21,375.12 : x
  2. Step 2: Convert to fraction form
    61,361.05/92,012.32 = 21,375.12/x
  3. Step 3: Cross multiply
    61,361.05x = 92,012.32 × 21,375.12
  4. Step 4: Simplify right side
    61,361.05x = 1,966,774,216.07
  5. Step 5: Solve for x
    x = 1,966,774,216.07/61,361.05
  6. Step 6: Final answer
    x = 32,052.49

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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.