Home / 55,264.33-82,840.80-31,564.09

Finding the Fourth Proportional to 55,264.33, 82,840.80 and 31,564.09

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Solution

The fourth proportional to 55,264.33, 82,840.80 and 31,564.09 is: 47,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264.33 : 82,840.80 = 31,564.09 : x
  2. Step 2: Convert to fraction form
    55,264.33/82,840.80 = 31,564.09/x
  3. Step 3: Cross multiply
    55,264.33x = 82,840.80 × 31,564.09
  4. Step 4: Simplify right side
    55,264.33x = 2,614,794,466.87
  5. Step 5: Solve for x
    x = 2,614,794,466.87/55,264.33
  6. Step 6: Final answer
    x = 47,314.32

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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.