Home / 57,515.76-79,381.68-33,317.64

Finding the Fourth Proportional to 57,515.76, 79,381.68 and 33,317.64

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Solution

The fourth proportional to 57,515.76, 79,381.68 and 33,317.64 is: 45,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.76 : 79,381.68 = 33,317.64 : x
  2. Step 2: Convert to fraction form
    57,515.76/79,381.68 = 33,317.64/x
  3. Step 3: Cross multiply
    57,515.76x = 79,381.68 × 33,317.64
  4. Step 4: Simplify right side
    57,515.76x = 2,644,810,236.84
  5. Step 5: Solve for x
    x = 2,644,810,236.84/57,515.76
  6. Step 6: Final answer
    x = 45,984.10

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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.