Home / 55,442.65-83,170.89-21,704.31

Finding the Fourth Proportional to 55,442.65, 83,170.89 and 21,704.31

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Solution

The fourth proportional to 55,442.65, 83,170.89 and 21,704.31 is: 32,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,442.65 : 83,170.89 = 21,704.31 : x
  2. Step 2: Convert to fraction form
    55,442.65/83,170.89 = 21,704.31/x
  3. Step 3: Cross multiply
    55,442.65x = 83,170.89 × 21,704.31
  4. Step 4: Simplify right side
    55,442.65x = 1,805,166,586.31
  5. Step 5: Solve for x
    x = 1,805,166,586.31/55,442.65
  6. Step 6: Final answer
    x = 32,559.17

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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.