Home / 56,181.49-84,272.56-18,741.47

Finding the Fourth Proportional to 56,181.49, 84,272.56 and 18,741.47

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Solution

The fourth proportional to 56,181.49, 84,272.56 and 18,741.47 is: 28,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.49 : 84,272.56 = 18,741.47 : x
  2. Step 2: Convert to fraction form
    56,181.49/84,272.56 = 18,741.47/x
  3. Step 3: Cross multiply
    56,181.49x = 84,272.56 × 18,741.47
  4. Step 4: Simplify right side
    56,181.49x = 1,579,391,655.06
  5. Step 5: Solve for x
    x = 1,579,391,655.06/56,181.49
  6. Step 6: Final answer
    x = 28,112.31

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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.