Home / 55,355.84-83,033.50-21,625.28

Finding the Fourth Proportional to 55,355.84, 83,033.50 and 21,625.28

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Solution

The fourth proportional to 55,355.84, 83,033.50 and 21,625.28 is: 32,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.84 : 83,033.50 = 21,625.28 : x
  2. Step 2: Convert to fraction form
    55,355.84/83,033.50 = 21,625.28/x
  3. Step 3: Cross multiply
    55,355.84x = 83,033.50 × 21,625.28
  4. Step 4: Simplify right side
    55,355.84x = 1,795,622,686.88
  5. Step 5: Solve for x
    x = 1,795,622,686.88/55,355.84
  6. Step 6: Final answer
    x = 32,437.82

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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.