Home / 57,279.10-79,033.98-33,406.78

Finding the Fourth Proportional to 57,279.10, 79,033.98 and 33,406.78

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Solution

The fourth proportional to 57,279.10, 79,033.98 and 33,406.78 is: 46,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,279.10 : 79,033.98 = 33,406.78 : x
  2. Step 2: Convert to fraction form
    57,279.10/79,033.98 = 33,406.78/x
  3. Step 3: Cross multiply
    57,279.10x = 79,033.98 × 33,406.78
  4. Step 4: Simplify right side
    57,279.10x = 2,640,270,782.38
  5. Step 5: Solve for x
    x = 2,640,270,782.38/57,279.10
  6. Step 6: Final answer
    x = 46,094.84

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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.