Home / 56,860.89-78,466.77-31,367.27

Finding the Fourth Proportional to 56,860.89, 78,466.77 and 31,367.27

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Solution

The fourth proportional to 56,860.89, 78,466.77 and 31,367.27 is: 43,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,860.89 : 78,466.77 = 31,367.27 : x
  2. Step 2: Convert to fraction form
    56,860.89/78,466.77 = 31,367.27/x
  3. Step 3: Cross multiply
    56,860.89x = 78,466.77 × 31,367.27
  4. Step 4: Simplify right side
    56,860.89x = 2,461,288,203.78
  5. Step 5: Solve for x
    x = 2,461,288,203.78/56,860.89
  6. Step 6: Final answer
    x = 43,286.14

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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.