Home / 55,330.37-82,971.08-15,878.33

Finding the Fourth Proportional to 55,330.37, 82,971.08 and 15,878.33

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Solution

The fourth proportional to 55,330.37, 82,971.08 and 15,878.33 is: 23,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.37 : 82,971.08 = 15,878.33 : x
  2. Step 2: Convert to fraction form
    55,330.37/82,971.08 = 15,878.33/x
  3. Step 3: Cross multiply
    55,330.37x = 82,971.08 × 15,878.33
  4. Step 4: Simplify right side
    55,330.37x = 1,317,442,109.30
  5. Step 5: Solve for x
    x = 1,317,442,109.30/55,330.37
  6. Step 6: Final answer
    x = 23,810.47

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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.