Home / 56,292.48-84,415.37-20,755.82

Finding the Fourth Proportional to 56,292.48, 84,415.37 and 20,755.82

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Solution

The fourth proportional to 56,292.48, 84,415.37 and 20,755.82 is: 31,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,292.48 : 84,415.37 = 20,755.82 : x
  2. Step 2: Convert to fraction form
    56,292.48/84,415.37 = 20,755.82/x
  3. Step 3: Cross multiply
    56,292.48x = 84,415.37 × 20,755.82
  4. Step 4: Simplify right side
    56,292.48x = 1,752,110,224.95
  5. Step 5: Solve for x
    x = 1,752,110,224.95/56,292.48
  6. Step 6: Final answer
    x = 31,125.12

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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.