Home / 54,363.82-75,021.15-30,489.98

Finding the Fourth Proportional to 54,363.82, 75,021.15 and 30,489.98

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Solution

The fourth proportional to 54,363.82, 75,021.15 and 30,489.98 is: 42,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.82 : 75,021.15 = 30,489.98 : x
  2. Step 2: Convert to fraction form
    54,363.82/75,021.15 = 30,489.98/x
  3. Step 3: Cross multiply
    54,363.82x = 75,021.15 × 30,489.98
  4. Step 4: Simplify right side
    54,363.82x = 2,287,393,363.08
  5. Step 5: Solve for x
    x = 2,287,393,363.08/54,363.82
  6. Step 6: Final answer
    x = 42,075.66

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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.