Home / 55,528.88-76,630.96-30,378.92

Finding the Fourth Proportional to 55,528.88, 76,630.96 and 30,378.92

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Solution

The fourth proportional to 55,528.88, 76,630.96 and 30,378.92 is: 41,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.88 : 76,630.96 = 30,378.92 : x
  2. Step 2: Convert to fraction form
    55,528.88/76,630.96 = 30,378.92/x
  3. Step 3: Cross multiply
    55,528.88x = 76,630.96 × 30,378.92
  4. Step 4: Simplify right side
    55,528.88x = 2,327,965,344.26
  5. Step 5: Solve for x
    x = 2,327,965,344.26/55,528.88
  6. Step 6: Final answer
    x = 41,923.51

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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.