Home / 56,144.34-84,188.36-18,691.22

Finding the Fourth Proportional to 56,144.34, 84,188.36 and 18,691.22

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Solution

The fourth proportional to 56,144.34, 84,188.36 and 18,691.22 is: 28,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,144.34 : 84,188.36 = 18,691.22 : x
  2. Step 2: Convert to fraction form
    56,144.34/84,188.36 = 18,691.22/x
  3. Step 3: Cross multiply
    56,144.34x = 84,188.36 × 18,691.22
  4. Step 4: Simplify right side
    56,144.34x = 1,573,583,415.40
  5. Step 5: Solve for x
    x = 1,573,583,415.40/56,144.34
  6. Step 6: Final answer
    x = 28,027.46

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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.