Home / 57,613.80-79,507.75-33,420.37

Finding the Fourth Proportional to 57,613.80, 79,507.75 and 33,420.37

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Solution

The fourth proportional to 57,613.80, 79,507.75 and 33,420.37 is: 46,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,613.80 : 79,507.75 = 33,420.37 : x
  2. Step 2: Convert to fraction form
    57,613.80/79,507.75 = 33,420.37/x
  3. Step 3: Cross multiply
    57,613.80x = 79,507.75 × 33,420.37
  4. Step 4: Simplify right side
    57,613.80x = 2,657,178,265.87
  5. Step 5: Solve for x
    x = 2,657,178,265.87/57,613.80
  6. Step 6: Final answer
    x = 46,120.51

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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.