Home / 55,529.34-76,630.41-30,378.84

Finding the Fourth Proportional to 55,529.34, 76,630.41 and 30,378.84

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Solution

The fourth proportional to 55,529.34, 76,630.41 and 30,378.84 is: 41,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.34 : 76,630.41 = 30,378.84 : x
  2. Step 2: Convert to fraction form
    55,529.34/76,630.41 = 30,378.84/x
  3. Step 3: Cross multiply
    55,529.34x = 76,630.41 × 30,378.84
  4. Step 4: Simplify right side
    55,529.34x = 2,327,942,964.52
  5. Step 5: Solve for x
    x = 2,327,942,964.52/55,529.34
  6. Step 6: Final answer
    x = 41,922.76

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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.