Home / 56,860.20-78,466.38-31,367.63

Finding the Fourth Proportional to 56,860.20, 78,466.38 and 31,367.63

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Solution

The fourth proportional to 56,860.20, 78,466.38 and 31,367.63 is: 43,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,860.20 : 78,466.38 = 31,367.63 : x
  2. Step 2: Convert to fraction form
    56,860.20/78,466.38 = 31,367.63/x
  3. Step 3: Cross multiply
    56,860.20x = 78,466.38 × 31,367.63
  4. Step 4: Simplify right side
    56,860.20x = 2,461,303,982.95
  5. Step 5: Solve for x
    x = 2,461,303,982.95/56,860.20
  6. Step 6: Final answer
    x = 43,286.94

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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.