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Finding the Fourth Proportional to 57,752.08, 79,698.46 and 33,879.16

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Solution

The fourth proportional to 57,752.08, 79,698.46 and 33,879.16 is: 46,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,752.08 : 79,698.46 = 33,879.16 : x
  2. Step 2: Convert to fraction form
    57,752.08/79,698.46 = 33,879.16/x
  3. Step 3: Cross multiply
    57,752.08x = 79,698.46 × 33,879.16
  4. Step 4: Simplify right side
    57,752.08x = 2,700,116,878.09
  5. Step 5: Solve for x
    x = 2,700,116,878.09/57,752.08
  6. Step 6: Final answer
    x = 46,753.59

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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.