Home / 55,771.58-76,964.92-30,622.70

Finding the Fourth Proportional to 55,771.58, 76,964.92 and 30,622.70

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Solution

The fourth proportional to 55,771.58, 76,964.92 and 30,622.70 is: 42,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.58 : 76,964.92 = 30,622.70 : x
  2. Step 2: Convert to fraction form
    55,771.58/76,964.92 = 30,622.70/x
  3. Step 3: Cross multiply
    55,771.58x = 76,964.92 × 30,622.70
  4. Step 4: Simplify right side
    55,771.58x = 2,356,873,655.68
  5. Step 5: Solve for x
    x = 2,356,873,655.68/55,771.58
  6. Step 6: Final answer
    x = 42,259.40

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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.