Home / 57,260.20-79,017.60-31,766.42

Finding the Fourth Proportional to 57,260.20, 79,017.60 and 31,766.42

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Solution

The fourth proportional to 57,260.20, 79,017.60 and 31,766.42 is: 43,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,260.20 : 79,017.60 = 31,766.42 : x
  2. Step 2: Convert to fraction form
    57,260.20/79,017.60 = 31,766.42/x
  3. Step 3: Cross multiply
    57,260.20x = 79,017.60 × 31,766.42
  4. Step 4: Simplify right side
    57,260.20x = 2,510,106,268.99
  5. Step 5: Solve for x
    x = 2,510,106,268.99/57,260.20
  6. Step 6: Final answer
    x = 43,836.84

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1.5x scale

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.