Home / 55,910.80-83,864.40-18,472.60

Finding the Fourth Proportional to 55,910.80, 83,864.40 and 18,472.60

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Solution

The fourth proportional to 55,910.80, 83,864.40 and 18,472.60 is: 27,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.80 : 83,864.40 = 18,472.60 : x
  2. Step 2: Convert to fraction form
    55,910.80/83,864.40 = 18,472.60/x
  3. Step 3: Cross multiply
    55,910.80x = 83,864.40 × 18,472.60
  4. Step 4: Simplify right side
    55,910.80x = 1,549,193,515.44
  5. Step 5: Solve for x
    x = 1,549,193,515.44/55,910.80
  6. Step 6: Final answer
    x = 27,708.31

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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.