Home / 55,956.20-77,185.80-34,449.60

Finding the Fourth Proportional to 55,956.20, 77,185.80 and 34,449.60

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Solution

The fourth proportional to 55,956.20, 77,185.80 and 34,449.60 is: 47,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.20 : 77,185.80 = 34,449.60 : x
  2. Step 2: Convert to fraction form
    55,956.20/77,185.80 = 34,449.60/x
  3. Step 3: Cross multiply
    55,956.20x = 77,185.80 × 34,449.60
  4. Step 4: Simplify right side
    55,956.20x = 2,659,019,935.68
  5. Step 5: Solve for x
    x = 2,659,019,935.68/55,956.20
  6. Step 6: Final answer
    x = 47,519.67

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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.