Home / 45,822.81-68,644.73-21,772.89

Finding the Fourth Proportional to 45,822.81, 68,644.73 and 21,772.89

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Solution

The fourth proportional to 45,822.81, 68,644.73 and 21,772.89 is: 32,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.81 : 68,644.73 = 21,772.89 : x
  2. Step 2: Convert to fraction form
    45,822.81/68,644.73 = 21,772.89/x
  3. Step 3: Cross multiply
    45,822.81x = 68,644.73 × 21,772.89
  4. Step 4: Simplify right side
    45,822.81x = 1,494,594,155.37
  5. Step 5: Solve for x
    x = 1,494,594,155.37/45,822.81
  6. Step 6: Final answer
    x = 32,616.82

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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.