Home / 51,589.22-71,205.77-31,457.18

Finding the Fourth Proportional to 51,589.22, 71,205.77 and 31,457.18

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Solution

The fourth proportional to 51,589.22, 71,205.77 and 31,457.18 is: 43,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589.22 : 71,205.77 = 31,457.18 : x
  2. Step 2: Convert to fraction form
    51,589.22/71,205.77 = 31,457.18/x
  3. Step 3: Cross multiply
    51,589.22x = 71,205.77 × 31,457.18
  4. Step 4: Simplify right side
    51,589.22x = 2,239,932,980.59
  5. Step 5: Solve for x
    x = 2,239,932,980.59/51,589.22
  6. Step 6: Final answer
    x = 43,418.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.