Home / 56,860.87-78,466.75-31,367.26

Finding the Fourth Proportional to 56,860.87, 78,466.75 and 31,367.26

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Solution

The fourth proportional to 56,860.87, 78,466.75 and 31,367.26 is: 43,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,860.87 : 78,466.75 = 31,367.26 : x
  2. Step 2: Convert to fraction form
    56,860.87/78,466.75 = 31,367.26/x
  3. Step 3: Cross multiply
    56,860.87x = 78,466.75 × 31,367.26
  4. Step 4: Simplify right side
    56,860.87x = 2,461,286,674.02
  5. Step 5: Solve for x
    x = 2,461,286,674.02/56,860.87
  6. Step 6: Final answer
    x = 43,286.12

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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.