Home / 39,517,051.88-54,534,177.24-21,634,973.89

Finding the Fourth Proportional to 39,517,051.88, 54,534,177.24 and 21,634,973.89

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Solution

The fourth proportional to 39,517,051.88, 54,534,177.24 and 21,634,973.89 is: 29,856,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517,051.88 : 54,534,177.24 = 21,634,973.89 : x
  2. Step 2: Convert to fraction form
    39,517,051.88/54,534,177.24 = 21,634,973.89/x
  3. Step 3: Cross multiply
    39,517,051.88x = 54,534,177.24 × 21,634,973.89
  4. Step 4: Simplify right side
    39,517,051.88x = 1,179,845,500,427,361.50
  5. Step 5: Solve for x
    x = 1,179,845,500,427,361.50/39,517,051.88
  6. Step 6: Final answer
    x = 29,856,617.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.