Home / 39,958,251.46-55,142,385.21-21,623,537.46

Finding the Fourth Proportional to 39,958,251.46, 55,142,385.21 and 21,623,537.46

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Solution

The fourth proportional to 39,958,251.46, 55,142,385.21 and 21,623,537.46 is: 29,840,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958,251.46 : 55,142,385.21 = 21,623,537.46 : x
  2. Step 2: Convert to fraction form
    39,958,251.46/55,142,385.21 = 21,623,537.46/x
  3. Step 3: Cross multiply
    39,958,251.46x = 55,142,385.21 × 21,623,537.46
  4. Step 4: Simplify right side
    39,958,251.46x = 1,192,373,432,222,185
  5. Step 5: Solve for x
    x = 1,192,373,432,222,185/39,958,251.46
  6. Step 6: Final answer
    x = 29,840,480.72

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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.