Home / 57,619.50-79,536.78-38,767.56

Finding the Fourth Proportional to 57,619.50, 79,536.78 and 38,767.56

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Solution

The fourth proportional to 57,619.50, 79,536.78 and 38,767.56 is: 53,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.50 : 79,536.78 = 38,767.56 : x
  2. Step 2: Convert to fraction form
    57,619.50/79,536.78 = 38,767.56/x
  3. Step 3: Cross multiply
    57,619.50x = 79,536.78 × 38,767.56
  4. Step 4: Simplify right side
    57,619.50x = 3,083,446,890.86
  5. Step 5: Solve for x
    x = 3,083,446,890.86/57,619.50
  6. Step 6: Final answer
    x = 53,513.95

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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.