Home / 57,647.06-79,570.68-33,781.44

Finding the Fourth Proportional to 57,647.06, 79,570.68 and 33,781.44

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Solution

The fourth proportional to 57,647.06, 79,570.68 and 33,781.44 is: 46,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,647.06 : 79,570.68 = 33,781.44 : x
  2. Step 2: Convert to fraction form
    57,647.06/79,570.68 = 33,781.44/x
  3. Step 3: Cross multiply
    57,647.06x = 79,570.68 × 33,781.44
  4. Step 4: Simplify right side
    57,647.06x = 2,688,012,152.18
  5. Step 5: Solve for x
    x = 2,688,012,152.18/57,647.06
  6. Step 6: Final answer
    x = 46,628.78

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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.