Home / 57,284.87-79,046.63-31,784.60

Finding the Fourth Proportional to 57,284.87, 79,046.63 and 31,784.60

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Solution

The fourth proportional to 57,284.87, 79,046.63 and 31,784.60 is: 43,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,284.87 : 79,046.63 = 31,784.60 : x
  2. Step 2: Convert to fraction form
    57,284.87/79,046.63 = 31,784.60/x
  3. Step 3: Cross multiply
    57,284.87x = 79,046.63 × 31,784.60
  4. Step 4: Simplify right side
    57,284.87x = 2,512,465,852.57
  5. Step 5: Solve for x
    x = 2,512,465,852.57/57,284.87
  6. Step 6: Final answer
    x = 43,859.15

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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.