Home / 56,003.80-77,285.22-30,853.30

Finding the Fourth Proportional to 56,003.80, 77,285.22 and 30,853.30

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Solution

The fourth proportional to 56,003.80, 77,285.22 and 30,853.30 is: 42,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,003.80 : 77,285.22 = 30,853.30 : x
  2. Step 2: Convert to fraction form
    56,003.80/77,285.22 = 30,853.30/x
  3. Step 3: Cross multiply
    56,003.80x = 77,285.22 × 30,853.30
  4. Step 4: Simplify right side
    56,003.80x = 2,384,503,691.80
  5. Step 5: Solve for x
    x = 2,384,503,691.80/56,003.80
  6. Step 6: Final answer
    x = 42,577.54

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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.