Home / 57,033.10-78,725.28-33,167.26

Finding the Fourth Proportional to 57,033.10, 78,725.28 and 33,167.26

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Solution

The fourth proportional to 57,033.10, 78,725.28 and 33,167.26 is: 45,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.10 : 78,725.28 = 33,167.26 : x
  2. Step 2: Convert to fraction form
    57,033.10/78,725.28 = 33,167.26/x
  3. Step 3: Cross multiply
    57,033.10x = 78,725.28 × 33,167.26
  4. Step 4: Simplify right side
    57,033.10x = 2,611,101,830.33
  5. Step 5: Solve for x
    x = 2,611,101,830.33/57,033.10
  6. Step 6: Final answer
    x = 45,782.22

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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.