Home / 56,422.26-84,622.41-21,364.66

Finding the Fourth Proportional to 56,422.26, 84,622.41 and 21,364.66

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Solution

The fourth proportional to 56,422.26, 84,622.41 and 21,364.66 is: 32,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.26 : 84,622.41 = 21,364.66 : x
  2. Step 2: Convert to fraction form
    56,422.26/84,622.41 = 21,364.66/x
  3. Step 3: Cross multiply
    56,422.26x = 84,622.41 × 21,364.66
  4. Step 4: Simplify right side
    56,422.26x = 1,807,929,018.03
  5. Step 5: Solve for x
    x = 1,807,929,018.03/56,422.26
  6. Step 6: Final answer
    x = 32,042.83

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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.