Home / 53,422.12-80,105.55-31,241.98

Finding the Fourth Proportional to 53,422.12, 80,105.55 and 31,241.98

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Solution

The fourth proportional to 53,422.12, 80,105.55 and 31,241.98 is: 46,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,422.12 : 80,105.55 = 31,241.98 : x
  2. Step 2: Convert to fraction form
    53,422.12/80,105.55 = 31,241.98/x
  3. Step 3: Cross multiply
    53,422.12x = 80,105.55 × 31,241.98
  4. Step 4: Simplify right side
    53,422.12x = 2,502,655,990.99
  5. Step 5: Solve for x
    x = 2,502,655,990.99/53,422.12
  6. Step 6: Final answer
    x = 46,846.81

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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.