Home / 55,793.12-83,671.89-18,344.49

Finding the Fourth Proportional to 55,793.12, 83,671.89 and 18,344.49

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Solution

The fourth proportional to 55,793.12, 83,671.89 and 18,344.49 is: 27,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.12 : 83,671.89 = 18,344.49 : x
  2. Step 2: Convert to fraction form
    55,793.12/83,671.89 = 18,344.49/x
  3. Step 3: Cross multiply
    55,793.12x = 83,671.89 × 18,344.49
  4. Step 4: Simplify right side
    55,793.12x = 1,534,918,149.39
  5. Step 5: Solve for x
    x = 1,534,918,149.39/55,793.12
  6. Step 6: Final answer
    x = 27,510.89

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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.