Home / 45,057.82-67,533.93-18,387.16

Finding the Fourth Proportional to 45,057.82, 67,533.93 and 18,387.16

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Solution

The fourth proportional to 45,057.82, 67,533.93 and 18,387.16 is: 27,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,057.82 : 67,533.93 = 18,387.16 : x
  2. Step 2: Convert to fraction form
    45,057.82/67,533.93 = 18,387.16/x
  3. Step 3: Cross multiply
    45,057.82x = 67,533.93 × 18,387.16
  4. Step 4: Simplify right side
    45,057.82x = 1,241,757,176.34
  5. Step 5: Solve for x
    x = 1,241,757,176.34/45,057.82
  6. Step 6: Final answer
    x = 27,559.19

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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.