Home / 55,965.83-77,230.33-30,471.55

Finding the Fourth Proportional to 55,965.83, 77,230.33 and 30,471.55

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Solution

The fourth proportional to 55,965.83, 77,230.33 and 30,471.55 is: 42,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.83 : 77,230.33 = 30,471.55 : x
  2. Step 2: Convert to fraction form
    55,965.83/77,230.33 = 30,471.55/x
  3. Step 3: Cross multiply
    55,965.83x = 77,230.33 × 30,471.55
  4. Step 4: Simplify right side
    55,965.83x = 2,353,327,592.86
  5. Step 5: Solve for x
    x = 2,353,327,592.86/55,965.83
  6. Step 6: Final answer
    x = 42,049.37

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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.