Home / 56,656.22-84,996.68-18,707.15

Finding the Fourth Proportional to 56,656.22, 84,996.68 and 18,707.15

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Solution

The fourth proportional to 56,656.22, 84,996.68 and 18,707.15 is: 28,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,656.22 : 84,996.68 = 18,707.15 : x
  2. Step 2: Convert to fraction form
    56,656.22/84,996.68 = 18,707.15/x
  3. Step 3: Cross multiply
    56,656.22x = 84,996.68 × 18,707.15
  4. Step 4: Simplify right side
    56,656.22x = 1,590,045,761.22
  5. Step 5: Solve for x
    x = 1,590,045,761.22/56,656.22
  6. Step 6: Final answer
    x = 28,064.81

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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.