Home / 57,438.12-79,268.04-31,944.72

Finding the Fourth Proportional to 57,438.12, 79,268.04 and 31,944.72

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Solution

The fourth proportional to 57,438.12, 79,268.04 and 31,944.72 is: 44,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.12 : 79,268.04 = 31,944.72 : x
  2. Step 2: Convert to fraction form
    57,438.12/79,268.04 = 31,944.72/x
  3. Step 3: Cross multiply
    57,438.12x = 79,268.04 × 31,944.72
  4. Step 4: Simplify right side
    57,438.12x = 2,532,195,342.75
  5. Step 5: Solve for x
    x = 2,532,195,342.75/57,438.12
  6. Step 6: Final answer
    x = 44,085.62

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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.